Finding the Fourth Proportional to 8,713.63, 12,026.69 and 5,359.29

Step by Step Solution

1. Step 1: Write the proportion equation
   8,713.63 : 12,026.69 = 5,359.29 : x
2. Step 2: Convert to fraction form
   8,713.63/12,026.69 = 5,359.29/x
3. Step 3: Cross multiply
   8,713.63x = 12,026.69 × 5,359.29
4. Step 4: Simplify right side
   8,713.63x = 64,454,519.45
5. Step 5: Solve for x
   x = 64,454,519.45/8,713.63
6. Step 6: Final answer
   x = 7,396.98