Finding the Fourth Proportional to 78,660.50, 108,476.06 and 52,877.39

Step by Step Solution

1. Step 1: Write the proportion equation
   78,660.50 : 108,476.06 = 52,877.39 : x
2. Step 2: Convert to fraction form
   78,660.50/108,476.06 = 52,877.39/x
3. Step 3: Cross multiply
   78,660.50x = 108,476.06 × 52,877.39
4. Step 4: Simplify right side
   78,660.50x = 5,735,930,123.52
5. Step 5: Solve for x
   x = 5,735,930,123.52/78,660.50
6. Step 6: Final answer
   x = 72,920.09