Finding the Fourth Proportional to 11,655.72, 17,490.84 and 5,082

Step by Step Solution

1. Step 1: Write the proportion equation
   11,655.72 : 17,490.84 = 5,082 : x
2. Step 2: Convert to fraction form
   11,655.72/17,490.84 = 5,082/x
3. Step 3: Cross multiply
   11,655.72x = 17,490.84 × 5,082
4. Step 4: Simplify right side
   11,655.72x = 88,888,448.88
5. Step 5: Solve for x
   x = 88,888,448.88/11,655.72
6. Step 6: Final answer
   x = 7,626.17