Finding the Fourth Proportional to 103,610.88, 142,986.24 and 58,901.76

Step by Step Solution

1. Step 1: Write the proportion equation
   103,610.88 : 142,986.24 = 58,901.76 : x
2. Step 2: Convert to fraction form
   103,610.88/142,986.24 = 58,901.76/x
3. Step 3: Cross multiply
   103,610.88x = 142,986.24 × 58,901.76
4. Step 4: Simplify right side
   103,610.88x = 8,422,141,191.78
5. Step 5: Solve for x
   x = 8,422,141,191.78/103,610.88
6. Step 6: Final answer
   x = 81,286.26