Finding the Fourth Proportional to 107,529.71, 148,382.60 and 59,780.15

Step by Step Solution

1. Step 1: Write the proportion equation
   107,529.71 : 148,382.60 = 59,780.15 : x
2. Step 2: Convert to fraction form
   107,529.71/148,382.60 = 59,780.15/x
3. Step 3: Cross multiply
   107,529.71x = 148,382.60 × 59,780.15
4. Step 4: Simplify right side
   107,529.71x = 8,870,333,786.49
5. Step 5: Solve for x
   x = 8,870,333,786.49/107,529.71
6. Step 6: Final answer
   x = 82,491.93