Finding the Fourth Proportional to 11,407.38, 17,103.66 and 7,499.94

Step by Step Solution

1. Step 1: Write the proportion equation
   11,407.38 : 17,103.66 = 7,499.94 : x
2. Step 2: Convert to fraction form
   11,407.38/17,103.66 = 7,499.94/x
3. Step 3: Cross multiply
   11,407.38x = 17,103.66 × 7,499.94
4. Step 4: Simplify right side
   11,407.38x = 128,276,423.78
5. Step 5: Solve for x
   x = 128,276,423.78/11,407.38
6. Step 6: Final answer
   x = 11,245.04