Finding the Fourth Proportional to 12,048.28, 18,081.29 and 5,723.18

Step by Step Solution

1. Step 1: Write the proportion equation
   12,048.28 : 18,081.29 = 5,723.18 : x
2. Step 2: Convert to fraction form
   12,048.28/18,081.29 = 5,723.18/x
3. Step 3: Cross multiply
   12,048.28x = 18,081.29 × 5,723.18
4. Step 4: Simplify right side
   12,048.28x = 103,482,477.30
5. Step 5: Solve for x
   x = 103,482,477.30/12,048.28
6. Step 6: Final answer
   x = 8,588.98