Finding the Fourth Proportional to 103,558,682.12, 142,964,712.72 and 75,650,057.96

Step by Step Solution

1. Step 1: Write the proportion equation
   103,558,682.12 : 142,964,712.72 = 75,650,057.96 : x
2. Step 2: Convert to fraction form
   103,558,682.12/142,964,712.72 = 75,650,057.96/x
3. Step 3: Cross multiply
   103,558,682.12x = 142,964,712.72 × 75,650,057.96
4. Step 4: Simplify right side
   103,558,682.12x = 10,815,288,803,502,748
5. Step 5: Solve for x
   x = 10,815,288,803,502,748/103,558,682.12
6. Step 6: Final answer
   x = 104,436,331.00