Finding the Fourth Proportional to 103,139,625.38, 142,352,901.83 and 59,116,131.25

Step by Step Solution

1. Step 1: Write the proportion equation
   103,139,625.38 : 142,352,901.83 = 59,116,131.25 : x
2. Step 2: Convert to fraction form
   103,139,625.38/142,352,901.83 = 59,116,131.25/x
3. Step 3: Cross multiply
   103,139,625.38x = 142,352,901.83 × 59,116,131.25
4. Step 4: Simplify right side
   103,139,625.38x = 8,415,352,828,192,554
5. Step 5: Solve for x
   x = 8,415,352,828,192,554/103,139,625.38
6. Step 6: Final answer
   x = 81,591,849.86