Finding the Fourth Proportional to 103,444.78, 142,753.89 and 58,732.78

Step by Step Solution

1. Step 1: Write the proportion equation
   103,444.78 : 142,753.89 = 58,732.78 : x
2. Step 2: Convert to fraction form
   103,444.78/142,753.89 = 58,732.78/x
3. Step 3: Cross multiply
   103,444.78x = 142,753.89 × 58,732.78
4. Step 4: Simplify right side
   103,444.78x = 8,384,332,815.51
5. Step 5: Solve for x
   x = 8,384,332,815.51/103,444.78
6. Step 6: Final answer
   x = 81,051.29