Finding the Fourth Proportional to 65,256.50, 90,046.33 and 38,393.10

Step by Step Solution

1. Step 1: Write the proportion equation
   65,256.50 : 90,046.33 = 38,393.10 : x
2. Step 2: Convert to fraction form
   65,256.50/90,046.33 = 38,393.10/x
3. Step 3: Cross multiply
   65,256.50x = 90,046.33 × 38,393.10
4. Step 4: Simplify right side
   65,256.50x = 3,457,157,752.32
5. Step 5: Solve for x
   x = 3,457,157,752.32/65,256.50
6. Step 6: Final answer
   x = 52,977.98