Finding the Fourth Proportional to 107,525.92, 148,386.72 and 59,780.20

Step by Step Solution

1. Step 1: Write the proportion equation
   107,525.92 : 148,386.72 = 59,780.20 : x
2. Step 2: Convert to fraction form
   107,525.92/148,386.72 = 59,780.20/x
3. Step 3: Cross multiply
   107,525.92x = 148,386.72 × 59,780.20
4. Step 4: Simplify right side
   107,525.92x = 8,870,587,798.94
5. Step 5: Solve for x
   x = 8,870,587,798.94/107,525.92
6. Step 6: Final answer
   x = 82,497.20