Finding the Fourth Proportional to 47,078.98, 64,968.93 and 25,859.61

Step by Step Solution

1. Step 1: Write the proportion equation
   47,078.98 : 64,968.93 = 25,859.61 : x
2. Step 2: Convert to fraction form
   47,078.98/64,968.93 = 25,859.61/x
3. Step 3: Cross multiply
   47,078.98x = 64,968.93 × 25,859.61
4. Step 4: Simplify right side
   47,078.98x = 1,680,071,191.92
5. Step 5: Solve for x
   x = 1,680,071,191.92/47,078.98
6. Step 6: Final answer
   x = 35,686.23