Finding the Fourth Proportional to 103,574.24, 142,938.72 and 58,862.24

Step by Step Solution

1. Step 1: Write the proportion equation
   103,574.24 : 142,938.72 = 58,862.24 : x
2. Step 2: Convert to fraction form
   103,574.24/142,938.72 = 58,862.24/x
3. Step 3: Cross multiply
   103,574.24x = 142,938.72 × 58,862.24
4. Step 4: Simplify right side
   103,574.24x = 8,413,693,241.93
5. Step 5: Solve for x
   x = 8,413,693,241.93/103,574.24
6. Step 6: Final answer
   x = 81,233.45