Finding the Fourth Proportional to 42,005,628, 63,019,069.20 and 11,713,494.24

Step by Step Solution

1. Step 1: Write the proportion equation
   42,005,628 : 63,019,069.20 = 11,713,494.24 : x
2. Step 2: Convert to fraction form
   42,005,628/63,019,069.20 = 11,713,494.24/x
3. Step 3: Cross multiply
   42,005,628x = 63,019,069.20 × 11,713,494.24
4. Step 4: Simplify right side
   42,005,628x = 738,173,504,084,361.50
5. Step 5: Solve for x
   x = 738,173,504,084,361.50/42,005,628
6. Step 6: Final answer
   x = 17,573,204.81