Finding the Fourth Proportional to 22,834.17, 31,510.22 and 12,762.63

Step by Step Solution

1. Step 1: Write the proportion equation
   22,834.17 : 31,510.22 = 12,762.63 : x
2. Step 2: Convert to fraction form
   22,834.17/31,510.22 = 12,762.63/x
3. Step 3: Cross multiply
   22,834.17x = 31,510.22 × 12,762.63
4. Step 4: Simplify right side
   22,834.17x = 402,153,215.27
5. Step 5: Solve for x
   x = 402,153,215.27/22,834.17
6. Step 6: Final answer
   x = 17,611.90