Finding the Fourth Proportional to 22,849.89, 31,532.67 and 12,778.35

Step by Step Solution

1. Step 1: Write the proportion equation
   22,849.89 : 31,532.67 = 12,778.35 : x
2. Step 2: Convert to fraction form
   22,849.89/31,532.67 = 12,778.35/x
3. Step 3: Cross multiply
   22,849.89x = 31,532.67 × 12,778.35
4. Step 4: Simplify right side
   22,849.89x = 402,935,493.69
5. Step 5: Solve for x
   x = 402,935,493.69/22,849.89
6. Step 6: Final answer
   x = 17,634.02