Finding the Fourth Proportional to 42,661,846.26, 63,962,202.42 and 18,071,429.94

Step by Step Solution

1. Step 1: Write the proportion equation
   42,661,846.26 : 63,962,202.42 = 18,071,429.94 : x
2. Step 2: Convert to fraction form
   42,661,846.26/63,962,202.42 = 18,071,429.94/x
3. Step 3: Cross multiply
   42,661,846.26x = 63,962,202.42 × 18,071,429.94
4. Step 4: Simplify right side
   42,661,846.26x = 1,155,888,459,841,128.50
5. Step 5: Solve for x
   x = 1,155,888,459,841,128.50/42,661,846.26
6. Step 6: Final answer
   x = 27,094,196.83