Finding the Fourth Proportional to 103,134.60, 142,298.31 and 59,516.10

Step by Step Solution

1. Step 1: Write the proportion equation
   103,134.60 : 142,298.31 = 59,516.10 : x
2. Step 2: Convert to fraction form
   103,134.60/142,298.31 = 59,516.10/x
3. Step 3: Cross multiply
   103,134.60x = 142,298.31 × 59,516.10
4. Step 4: Simplify right side
   103,134.60x = 8,469,040,447.79
5. Step 5: Solve for x
   x = 8,469,040,447.79/103,134.60
6. Step 6: Final answer
   x = 82,116.38