Finding the Fourth Proportional to 11,388.15, 17,082.15 and 5,301.69

Step by Step Solution

1. Step 1: Write the proportion equation
   11,388.15 : 17,082.15 = 5,301.69 : x
2. Step 2: Convert to fraction form
   11,388.15/17,082.15 = 5,301.69/x
3. Step 3: Cross multiply
   11,388.15x = 17,082.15 × 5,301.69
4. Step 4: Simplify right side
   11,388.15x = 90,564,263.83
5. Step 5: Solve for x
   x = 90,564,263.83/11,388.15
6. Step 6: Final answer
   x = 7,952.50