Finding the Fourth Proportional to 107,087.76, 147,779.34 and 58,689.32

Step by Step Solution

1. Step 1: Write the proportion equation
   107,087.76 : 147,779.34 = 58,689.32 : x
2. Step 2: Convert to fraction form
   107,087.76/147,779.34 = 58,689.32/x
3. Step 3: Cross multiply
   107,087.76x = 147,779.34 × 58,689.32
4. Step 4: Simplify right side
   107,087.76x = 8,673,068,789.92
5. Step 5: Solve for x
   x = 8,673,068,789.92/107,087.76
6. Step 6: Final answer
   x = 80,990.29