Finding the Fourth Proportional to 103,168.24, 142,372.60 and 58,456.24

Step by Step Solution

1. Step 1: Write the proportion equation
   103,168.24 : 142,372.60 = 58,456.24 : x
2. Step 2: Convert to fraction form
   103,168.24/142,372.60 = 58,456.24/x
3. Step 3: Cross multiply
   103,168.24x = 142,372.60 × 58,456.24
4. Step 4: Simplify right side
   103,168.24x = 8,322,566,875.02
5. Step 5: Solve for x
   x = 8,322,566,875.02/103,168.24
6. Step 6: Final answer
   x = 80,669.85