Finding the Fourth Proportional to 22,665.57, 31,276.83 and 12,593.49

Step by Step Solution

1. Step 1: Write the proportion equation
   22,665.57 : 31,276.83 = 12,593.49 : x
2. Step 2: Convert to fraction form
   22,665.57/31,276.83 = 12,593.49/x
3. Step 3: Cross multiply
   22,665.57x = 31,276.83 × 12,593.49
4. Step 4: Simplify right side
   22,665.57x = 393,884,445.84
5. Step 5: Solve for x
   x = 393,884,445.84/22,665.57
6. Step 6: Final answer
   x = 17,378.10