Finding the Fourth Proportional to 81,831.25, 112,928.72 and 49,567.08

Step by Step Solution

1. Step 1: Write the proportion equation
   81,831.25 : 112,928.72 = 49,567.08 : x
2. Step 2: Convert to fraction form
   81,831.25/112,928.72 = 49,567.08/x
3. Step 3: Cross multiply
   81,831.25x = 112,928.72 × 49,567.08
4. Step 4: Simplify right side
   81,831.25x = 5,597,546,898.54
5. Step 5: Solve for x
   x = 5,597,546,898.54/81,831.25
6. Step 6: Final answer
   x = 68,403.54