Finding the Fourth Proportional to 112,406.72, 155,831.52 and 106,414.24

Step by Step Solution

1. Step 1: Write the proportion equation
   112,406.72 : 155,831.52 = 106,414.24 : x
2. Step 2: Convert to fraction form
   112,406.72/155,831.52 = 106,414.24/x
3. Step 3: Cross multiply
   112,406.72x = 155,831.52 × 106,414.24
4. Step 4: Simplify right side
   112,406.72x = 16,582,692,768.84
5. Step 5: Solve for x
   x = 16,582,692,768.84/112,406.72
6. Step 6: Final answer
   x = 147,524.03