Finding the Fourth Proportional to 11,618.46, 16,035.12 and 7,371.72

Step by Step Solution

1. Step 1: Write the proportion equation
   11,618.46 : 16,035.12 = 7,371.72 : x
2. Step 2: Convert to fraction form
   11,618.46/16,035.12 = 7,371.72/x
3. Step 3: Cross multiply
   11,618.46x = 16,035.12 × 7,371.72
4. Step 4: Simplify right side
   11,618.46x = 118,206,414.81
5. Step 5: Solve for x
   x = 118,206,414.81/11,618.46
6. Step 6: Final answer
   x = 10,174.02