Finding the Fourth Proportional to 103,419.50, 142,723.31 and 58,096.62

Step by Step Solution

1. Step 1: Write the proportion equation
   103,419.50 : 142,723.31 = 58,096.62 : x
2. Step 2: Convert to fraction form
   103,419.50/142,723.31 = 58,096.62/x
3. Step 3: Cross multiply
   103,419.50x = 142,723.31 × 58,096.62
4. Step 4: Simplify right side
   103,419.50x = 8,291,741,615.73
5. Step 5: Solve for x
   x = 8,291,741,615.73/103,419.50
6. Step 6: Final answer
   x = 80,175.81