Finding the Fourth Proportional to 103,415.27, 142,697.52 and 58,084.56

Step by Step Solution

1. Step 1: Write the proportion equation
   103,415.27 : 142,697.52 = 58,084.56 : x
2. Step 2: Convert to fraction form
   103,415.27/142,697.52 = 58,084.56/x
3. Step 3: Cross multiply
   103,415.27x = 142,697.52 × 58,084.56
4. Step 4: Simplify right side
   103,415.27x = 8,288,522,662.29
5. Step 5: Solve for x
   x = 8,288,522,662.29/103,415.27
6. Step 6: Final answer
   x = 80,147.96