Finding the Fourth Proportional to 14,957.76, 22,405.12 and 7,158.72

Step by Step Solution

1. Step 1: Write the proportion equation
   14,957.76 : 22,405.12 = 7,158.72 : x
2. Step 2: Convert to fraction form
   14,957.76/22,405.12 = 7,158.72/x
3. Step 3: Cross multiply
   14,957.76x = 22,405.12 × 7,158.72
4. Step 4: Simplify right side
   14,957.76x = 160,391,980.65
5. Step 5: Solve for x
   x = 160,391,980.65/14,957.76
6. Step 6: Final answer
   x = 10,722.99