Finding the Fourth Proportional to 11,553.68, 17,330.24 and 4,156.72

Step by Step Solution

1. Step 1: Write the proportion equation
   11,553.68 : 17,330.24 = 4,156.72 : x
2. Step 2: Convert to fraction form
   11,553.68/17,330.24 = 4,156.72/x
3. Step 3: Cross multiply
   11,553.68x = 17,330.24 × 4,156.72
4. Step 4: Simplify right side
   11,553.68x = 72,036,955.21
5. Step 5: Solve for x
   x = 72,036,955.21/11,553.68
6. Step 6: Final answer
   x = 6,234.98