Finding the Fourth Proportional to 112,855.72, 156,453.88 and 106,863.52

Step by Step Solution

1. Step 1: Write the proportion equation
   112,855.72 : 156,453.88 = 106,863.52 : x
2. Step 2: Convert to fraction form
   112,855.72/156,453.88 = 106,863.52/x
3. Step 3: Cross multiply
   112,855.72x = 156,453.88 × 106,863.52
4. Step 4: Simplify right side
   112,855.72x = 16,719,212,334.46
5. Step 5: Solve for x
   x = 16,719,212,334.46/112,855.72
6. Step 6: Final answer
   x = 148,146.79