Finding the Fourth Proportional to 47,128.50, 65,038.85 and 25,909.30

Step by Step Solution

1. Step 1: Write the proportion equation
   47,128.50 : 65,038.85 = 25,909.30 : x
2. Step 2: Convert to fraction form
   47,128.50/65,038.85 = 25,909.30/x
3. Step 3: Cross multiply
   47,128.50x = 65,038.85 × 25,909.30
4. Step 4: Simplify right side
   47,128.50x = 1,685,111,076.31
5. Step 5: Solve for x
   x = 1,685,111,076.31/47,128.50
6. Step 6: Final answer
   x = 35,755.67