Finding the Fourth Proportional to 10,049.91, 13,854.53 and 7,216.38

Step by Step Solution

1. Step 1: Write the proportion equation
   10,049.91 : 13,854.53 = 7,216.38 : x
2. Step 2: Convert to fraction form
   10,049.91/13,854.53 = 7,216.38/x
3. Step 3: Cross multiply
   10,049.91x = 13,854.53 × 7,216.38
4. Step 4: Simplify right side
   10,049.91x = 99,979,541.61
5. Step 5: Solve for x
   x = 99,979,541.61/10,049.91
6. Step 6: Final answer
   x = 9,948.30