Finding the Fourth Proportional to 46,978.24, 64,828.28 and 25,757.08

Step by Step Solution

1. Step 1: Write the proportion equation
   46,978.24 : 64,828.28 = 25,757.08 : x
2. Step 2: Convert to fraction form
   46,978.24/64,828.28 = 25,757.08/x
3. Step 3: Cross multiply
   46,978.24x = 64,828.28 × 25,757.08
4. Step 4: Simplify right side
   46,978.24x = 1,669,787,194.22
5. Step 5: Solve for x
   x = 1,669,787,194.22/46,978.24
6. Step 6: Final answer
   x = 35,543.84