Finding the Fourth Proportional to 42,866,098,978,297, 64,299,050,388,232 and 18,373,038,122,517

Step by Step Solution

1. Step 1: Write the proportion equation
   42,866,098,978,297 : 64,299,050,388,232 = 18,373,038,122,517 : x
2. Step 2: Convert to fraction form
   42,866,098,978,297/64,299,050,388,232 = 18,373,038,122,517/x
3. Step 3: Cross multiply
   42,866,098,978,297x = 64,299,050,388,232 × 18,373,038,122,517
4. Step 4: Simplify right side
   42,866,098,978,297x = 1,181,368,904,024,628,000,207,142,912
5. Step 5: Solve for x
   x = 1,181,368,904,024,628,000,207,142,912/42,866,098,978,297
6. Step 6: Final answer
   x = 27,559,515,145,587.48