Finding the Fourth Proportional to 15,182.96, 22,760.76 and 7,280.72

Step by Step Solution

1. Step 1: Write the proportion equation
   15,182.96 : 22,760.76 = 7,280.72 : x
2. Step 2: Convert to fraction form
   15,182.96/22,760.76 = 7,280.72/x
3. Step 3: Cross multiply
   15,182.96x = 22,760.76 × 7,280.72
4. Step 4: Simplify right side
   15,182.96x = 165,714,720.55
5. Step 5: Solve for x
   x = 165,714,720.55/15,182.96
6. Step 6: Final answer
   x = 10,914.52