Finding the Fourth Proportional to 22,834.84, 31,507.98 and 12,763.48

Step by Step Solution

1. Step 1: Write the proportion equation
   22,834.84 : 31,507.98 = 12,763.48 : x
2. Step 2: Convert to fraction form
   22,834.84/31,507.98 = 12,763.48/x
3. Step 3: Cross multiply
   22,834.84x = 31,507.98 × 12,763.48
4. Step 4: Simplify right side
   22,834.84x = 402,151,472.57
5. Step 5: Solve for x
   x = 402,151,472.57/22,834.84
6. Step 6: Final answer
   x = 17,611.31