Finding the Fourth Proportional to 46,978.97, 64,830.51 and 25,758.18

Step by Step Solution

1. Step 1: Write the proportion equation
   46,978.97 : 64,830.51 = 25,758.18 : x
2. Step 2: Convert to fraction form
   46,978.97/64,830.51 = 25,758.18/x
3. Step 3: Cross multiply
   46,978.97x = 64,830.51 × 25,758.18
4. Step 4: Simplify right side
   46,978.97x = 1,669,915,946.07
5. Step 5: Solve for x
   x = 1,669,915,946.07/46,978.97
6. Step 6: Final answer
   x = 35,546.04