Finding the Fourth Proportional to 22,426.90, 30,948.10 and 12,354.86

Step by Step Solution

1. Step 1: Write the proportion equation
   22,426.90 : 30,948.10 = 12,354.86 : x
2. Step 2: Convert to fraction form
   22,426.90/30,948.10 = 12,354.86/x
3. Step 3: Cross multiply
   22,426.90x = 30,948.10 × 12,354.86
4. Step 4: Simplify right side
   22,426.90x = 382,359,489.25
5. Step 5: Solve for x
   x = 382,359,489.25/22,426.90
6. Step 6: Final answer
   x = 17,049.15