Finding the Fourth Proportional to 11,439.62, 17,155.76 and 5,892.24

Step by Step Solution

1. Step 1: Write the proportion equation
   11,439.62 : 17,155.76 = 5,892.24 : x
2. Step 2: Convert to fraction form
   11,439.62/17,155.76 = 5,892.24/x
3. Step 3: Cross multiply
   11,439.62x = 17,155.76 × 5,892.24
4. Step 4: Simplify right side
   11,439.62x = 101,085,855.30
5. Step 5: Solve for x
   x = 101,085,855.30/11,439.62
6. Step 6: Final answer
   x = 8,836.47