Finding the Fourth Proportional to 65,106.50, 89,853.66 and 39,614.72

Step by Step Solution

1. Step 1: Write the proportion equation
   65,106.50 : 89,853.66 = 39,614.72 : x
2. Step 2: Convert to fraction form
   65,106.50/89,853.66 = 39,614.72/x
3. Step 3: Cross multiply
   65,106.50x = 89,853.66 × 39,614.72
4. Step 4: Simplify right side
   65,106.50x = 3,559,527,132.61
5. Step 5: Solve for x
   x = 3,559,527,132.61/65,106.50
6. Step 6: Final answer
   x = 54,672.38