Finding the Fourth Proportional to 107,647.79, 148,551.98 and 59,900.72

Step by Step Solution

1. Step 1: Write the proportion equation
   107,647.79 : 148,551.98 = 59,900.72 : x
2. Step 2: Convert to fraction form
   107,647.79/148,551.98 = 59,900.72/x
3. Step 3: Cross multiply
   107,647.79x = 148,551.98 × 59,900.72
4. Step 4: Simplify right side
   107,647.79x = 8,898,369,517.16
5. Step 5: Solve for x
   x = 8,898,369,517.16/107,647.79
6. Step 6: Final answer
   x = 82,661.89