Finding the Fourth Proportional to 22,967.55, 34,433.10 and 12,579.30

Step by Step Solution

1. Step 1: Write the proportion equation
   22,967.55 : 34,433.10 = 12,579.30 : x
2. Step 2: Convert to fraction form
   22,967.55/34,433.10 = 12,579.30/x
3. Step 3: Cross multiply
   22,967.55x = 34,433.10 × 12,579.30
4. Step 4: Simplify right side
   22,967.55x = 433,144,294.83
5. Step 5: Solve for x
   x = 433,144,294.83/22,967.55
6. Step 6: Final answer
   x = 18,858.97