Finding the Fourth Proportional to 22,680.55, 34,021.59 and 17,423.55

Step by Step Solution

1. Step 1: Write the proportion equation
   22,680.55 : 34,021.59 = 17,423.55 : x
2. Step 2: Convert to fraction form
   22,680.55/34,021.59 = 17,423.55/x
3. Step 3: Cross multiply
   22,680.55x = 34,021.59 × 17,423.55
4. Step 4: Simplify right side
   22,680.55x = 592,776,809.11
5. Step 5: Solve for x
   x = 592,776,809.11/22,680.55
6. Step 6: Final answer
   x = 26,135.91