Finding the Fourth Proportional to 64,124.32, 88,493.52 and 35,831.20

Step by Step Solution

1. Step 1: Write the proportion equation
   64,124.32 : 88,493.52 = 35,831.20 : x
2. Step 2: Convert to fraction form
   64,124.32/88,493.52 = 35,831.20/x
3. Step 3: Cross multiply
   64,124.32x = 88,493.52 × 35,831.20
4. Step 4: Simplify right side
   64,124.32x = 3,170,829,013.82
5. Step 5: Solve for x
   x = 3,170,829,013.82/64,124.32
6. Step 6: Final answer
   x = 49,448.15