Finding the Fourth Proportional to 65,123.13, 89,839.76 and 38,265.15

Step by Step Solution

1. Step 1: Write the proportion equation
   65,123.13 : 89,839.76 = 38,265.15 : x
2. Step 2: Convert to fraction form
   65,123.13/89,839.76 = 38,265.15/x
3. Step 3: Cross multiply
   65,123.13x = 89,839.76 × 38,265.15
4. Step 4: Simplify right side
   65,123.13x = 3,437,731,701.04
5. Step 5: Solve for x
   x = 3,437,731,701.04/65,123.13
6. Step 6: Final answer
   x = 52,788.18