Finding the Fourth Proportional to 103,617,288.50, 143,004,398.22 and 58,974,115.46

Step by Step Solution

1. Step 1: Write the proportion equation
   103,617,288.50 : 143,004,398.22 = 58,974,115.46 : x
2. Step 2: Convert to fraction form
   103,617,288.50/143,004,398.22 = 58,974,115.46/x
3. Step 3: Cross multiply
   103,617,288.50x = 143,004,398.22 × 58,974,115.46
4. Step 4: Simplify right side
   103,617,288.50x = 8,433,557,891,199,076
5. Step 5: Solve for x
   x = 8,433,557,891,199,076/103,617,288.50
6. Step 6: Final answer
   x = 81,391,416.56