Finding the Fourth Proportional to 65,116.90, 89,879.04 and 38,268.06

Step by Step Solution

1. Step 1: Write the proportion equation
   65,116.90 : 89,879.04 = 38,268.06 : x
2. Step 2: Convert to fraction form
   65,116.90/89,879.04 = 38,268.06/x
3. Step 3: Cross multiply
   65,116.90x = 89,879.04 × 38,268.06
4. Step 4: Simplify right side
   65,116.90x = 3,439,496,150.27
5. Step 5: Solve for x
   x = 3,439,496,150.27/65,116.90
6. Step 6: Final answer
   x = 52,820.33