Finding the Fourth Proportional to 112,222.16, 154,957.56 and 107,148.32

Step by Step Solution

1. Step 1: Write the proportion equation
   112,222.16 : 154,957.56 = 107,148.32 : x
2. Step 2: Convert to fraction form
   112,222.16/154,957.56 = 107,148.32/x
3. Step 3: Cross multiply
   112,222.16x = 154,957.56 × 107,148.32
4. Step 4: Simplify right side
   112,222.16x = 16,603,442,225.30
5. Step 5: Solve for x
   x = 16,603,442,225.30/112,222.16
6. Step 6: Final answer
   x = 147,951.55