Finding the Fourth Proportional to 147,087.52, 220,704.18 and 58,339.12

Step by Step Solution

1. Step 1: Write the proportion equation
   147,087.52 : 220,704.18 = 58,339.12 : x
2. Step 2: Convert to fraction form
   147,087.52/220,704.18 = 58,339.12/x
3. Step 3: Cross multiply
   147,087.52x = 220,704.18 × 58,339.12
4. Step 4: Simplify right side
   147,087.52x = 12,875,687,641.52
5. Step 5: Solve for x
   x = 12,875,687,641.52/147,087.52
6. Step 6: Final answer
   x = 87,537.59