Finding the Fourth Proportional to 47,078.88, 64,970 and 25,859.52

Step by Step Solution

1. Step 1: Write the proportion equation
   47,078.88 : 64,970 = 25,859.52 : x
2. Step 2: Convert to fraction form
   47,078.88/64,970 = 25,859.52/x
3. Step 3: Cross multiply
   47,078.88x = 64,970 × 25,859.52
4. Step 4: Simplify right side
   47,078.88x = 1,680,093,014.40
5. Step 5: Solve for x
   x = 1,680,093,014.40/47,078.88
6. Step 6: Final answer
   x = 35,686.77