Finding the Fourth Proportional to 12,271.10, 18,404.55 and 4,373.29

Step by Step Solution

1. Step 1: Write the proportion equation
   12,271.10 : 18,404.55 = 4,373.29 : x
2. Step 2: Convert to fraction form
   12,271.10/18,404.55 = 4,373.29/x
3. Step 3: Cross multiply
   12,271.10x = 18,404.55 × 4,373.29
4. Step 4: Simplify right side
   12,271.10x = 80,488,457.48
5. Step 5: Solve for x
   x = 80,488,457.48/12,271.10
6. Step 6: Final answer
   x = 6,559.19