Finding the Fourth Proportional to 103,610.18, 142,981.83 and 58,288.19

Step by Step Solution

1. Step 1: Write the proportion equation
   103,610.18 : 142,981.83 = 58,288.19 : x
2. Step 2: Convert to fraction form
   103,610.18/142,981.83 = 58,288.19/x
3. Step 3: Cross multiply
   103,610.18x = 142,981.83 × 58,288.19
4. Step 4: Simplify right side
   103,610.18x = 8,334,152,073.59
5. Step 5: Solve for x
   x = 8,334,152,073.59/103,610.18
6. Step 6: Final answer
   x = 80,437.58