Finding the Fourth Proportional to 22,834.31, 31,511.25 and 12,762.76

Step by Step Solution

1. Step 1: Write the proportion equation
   22,834.31 : 31,511.25 = 12,762.76 : x
2. Step 2: Convert to fraction form
   22,834.31/31,511.25 = 12,762.76/x
3. Step 3: Cross multiply
   22,834.31x = 31,511.25 × 12,762.76
4. Step 4: Simplify right side
   22,834.31x = 402,170,363.49
5. Step 5: Solve for x
   x = 402,170,363.49/22,834.31
6. Step 6: Final answer
   x = 17,612.55