Finding the Fourth Proportional to 87,577.52, 120,831.98 and 49,323.69

Step by Step Solution

1. Step 1: Write the proportion equation
   87,577.52 : 120,831.98 = 49,323.69 : x
2. Step 2: Convert to fraction form
   87,577.52/120,831.98 = 49,323.69/x
3. Step 3: Cross multiply
   87,577.52x = 120,831.98 × 49,323.69
4. Step 4: Simplify right side
   87,577.52x = 5,959,878,909.51
5. Step 5: Solve for x
   x = 5,959,878,909.51/87,577.52
6. Step 6: Final answer
   x = 68,052.61