Finding the Fourth Proportional to 112,856.72, 156,455.27 and 106,864.52

Step by Step Solution

1. Step 1: Write the proportion equation
   112,856.72 : 156,455.27 = 106,864.52 : x
2. Step 2: Convert to fraction form
   112,856.72/156,455.27 = 106,864.52/x
3. Step 3: Cross multiply
   112,856.72x = 156,455.27 × 106,864.52
4. Step 4: Simplify right side
   112,856.72x = 16,719,517,330.02
5. Step 5: Solve for x
   x = 16,719,517,330.02/112,856.72
6. Step 6: Final answer
   x = 148,148.18