Finding the Fourth Proportional to 47,003.28, 64,864.64 and 25,782.72

Step by Step Solution

1. Step 1: Write the proportion equation
   47,003.28 : 64,864.64 = 25,782.72 : x
2. Step 2: Convert to fraction form
   47,003.28/64,864.64 = 25,782.72/x
3. Step 3: Cross multiply
   47,003.28x = 64,864.64 × 25,782.72
4. Step 4: Simplify right side
   47,003.28x = 1,672,386,851.02
5. Step 5: Solve for x
   x = 1,672,386,851.02/47,003.28
6. Step 6: Final answer
   x = 35,580.22