Finding the Fourth Proportional to 12,423.02, 17,144.22 and 7,118.86

Step by Step Solution

1. Step 1: Write the proportion equation
   12,423.02 : 17,144.22 = 7,118.86 : x
2. Step 2: Convert to fraction form
   12,423.02/17,144.22 = 7,118.86/x
3. Step 3: Cross multiply
   12,423.02x = 17,144.22 × 7,118.86
4. Step 4: Simplify right side
   12,423.02x = 122,047,301.99
5. Step 5: Solve for x
   x = 122,047,301.99/12,423.02
6. Step 6: Final answer
   x = 9,824.29