Finding the Fourth Proportional to 107,520.10, 148,386.71 and 59,777.89

Step by Step Solution

1. Step 1: Write the proportion equation
   107,520.10 : 148,386.71 = 59,777.89 : x
2. Step 2: Convert to fraction form
   107,520.10/148,386.71 = 59,777.89/x
3. Step 3: Cross multiply
   107,520.10x = 148,386.71 × 59,777.89
4. Step 4: Simplify right side
   107,520.10x = 8,870,244,206.32
5. Step 5: Solve for x
   x = 8,870,244,206.32/107,520.10
6. Step 6: Final answer
   x = 82,498.48