Finding the Fourth Proportional to 22,488.91, 33,680.90 and 17,777.30

Step by Step Solution

1. Step 1: Write the proportion equation
   22,488.91 : 33,680.90 = 17,777.30 : x
2. Step 2: Convert to fraction form
   22,488.91/33,680.90 = 17,777.30/x
3. Step 3: Cross multiply
   22,488.91x = 33,680.90 × 17,777.30
4. Step 4: Simplify right side
   22,488.91x = 598,755,339.61
5. Step 5: Solve for x
   x = 598,755,339.61/22,488.91
6. Step 6: Final answer
   x = 26,624.47