Finding the Fourth Proportional to 10,892.72, 15,036.55 and 7,360.71

Step by Step Solution

1. Step 1: Write the proportion equation
   10,892.72 : 15,036.55 = 7,360.71 : x
2. Step 2: Convert to fraction form
   10,892.72/15,036.55 = 7,360.71/x
3. Step 3: Cross multiply
   10,892.72x = 15,036.55 × 7,360.71
4. Step 4: Simplify right side
   10,892.72x = 110,679,665.55
5. Step 5: Solve for x
   x = 110,679,665.55/10,892.72
6. Step 6: Final answer
   x = 10,160.89