Finding the Fourth Proportional to 47,128.32, 65,036.88 and 25,908.72

Step by Step Solution

1. Step 1: Write the proportion equation
   47,128.32 : 65,036.88 = 25,908.72 : x
2. Step 2: Convert to fraction form
   47,128.32/65,036.88 = 25,908.72/x
3. Step 3: Cross multiply
   47,128.32x = 65,036.88 × 25,908.72
4. Step 4: Simplify right side
   47,128.32x = 1,685,022,313.59
5. Step 5: Solve for x
   x = 1,685,022,313.59/47,128.32
6. Step 6: Final answer
   x = 35,753.92