Finding the Fourth Proportional to 22,521.50, 31,081.54 and 12,451.92

Step by Step Solution

1. Step 1: Write the proportion equation
   22,521.50 : 31,081.54 = 12,451.92 : x
2. Step 2: Convert to fraction form
   22,521.50/31,081.54 = 12,451.92/x
3. Step 3: Cross multiply
   22,521.50x = 31,081.54 × 12,451.92
4. Step 4: Simplify right side
   22,521.50x = 387,024,849.56
5. Step 5: Solve for x
   x = 387,024,849.56/22,521.50
6. Step 6: Final answer
   x = 17,184.68