Finding the Fourth Proportional to 12,298.04, 18,453.42 and 5,722.28

Step by Step Solution

1. Step 1: Write the proportion equation
   12,298.04 : 18,453.42 = 5,722.28 : x
2. Step 2: Convert to fraction form
   12,298.04/18,453.42 = 5,722.28/x
3. Step 3: Cross multiply
   12,298.04x = 18,453.42 × 5,722.28
4. Step 4: Simplify right side
   12,298.04x = 105,595,636.20
5. Step 5: Solve for x
   x = 105,595,636.20/12,298.04
6. Step 6: Final answer
   x = 8,586.38