Finding the Fourth Proportional to 11,499.72, 17,253.84 and 4,931.04

Step by Step Solution

1. Step 1: Write the proportion equation
   11,499.72 : 17,253.84 = 4,931.04 : x
2. Step 2: Convert to fraction form
   11,499.72/17,253.84 = 4,931.04/x
3. Step 3: Cross multiply
   11,499.72x = 17,253.84 × 4,931.04
4. Step 4: Simplify right side
   11,499.72x = 85,079,375.19
5. Step 5: Solve for x
   x = 85,079,375.19/11,499.72
6. Step 6: Final answer
   x = 7,398.39