Finding the Fourth Proportional to 11,399.59, 17,093.43 and 5,156.62

Step by Step Solution

1. Step 1: Write the proportion equation
   11,399.59 : 17,093.43 = 5,156.62 : x
2. Step 2: Convert to fraction form
   11,399.59/17,093.43 = 5,156.62/x
3. Step 3: Cross multiply
   11,399.59x = 17,093.43 × 5,156.62
4. Step 4: Simplify right side
   11,399.59x = 88,144,323.01
5. Step 5: Solve for x
   x = 88,144,323.01/11,399.59
6. Step 6: Final answer
   x = 7,732.24