Finding the Fourth Proportional to 15,008.72, 22,517.94 and 7,216.52

Step by Step Solution

1. Step 1: Write the proportion equation
   15,008.72 : 22,517.94 = 7,216.52 : x
2. Step 2: Convert to fraction form
   15,008.72/22,517.94 = 7,216.52/x
3. Step 3: Cross multiply
   15,008.72x = 22,517.94 × 7,216.52
4. Step 4: Simplify right side
   15,008.72x = 162,501,164.37
5. Step 5: Solve for x
   x = 162,501,164.37/15,008.72
6. Step 6: Final answer
   x = 10,827.12