Finding the Fourth Proportional to 47,086.29, 64,978.74 and 25,865.10

Step by Step Solution

1. Step 1: Write the proportion equation
   47,086.29 : 64,978.74 = 25,865.10 : x
2. Step 2: Convert to fraction form
   47,086.29/64,978.74 = 25,865.10/x
3. Step 3: Cross multiply
   47,086.29x = 64,978.74 × 25,865.10
4. Step 4: Simplify right side
   47,086.29x = 1,680,681,607.97
5. Step 5: Solve for x
   x = 1,680,681,607.97/47,086.29
6. Step 6: Final answer
   x = 35,693.65