Finding the Fourth Proportional to 22,665.61, 31,274.87 and 12,593.87

Step by Step Solution

1. Step 1: Write the proportion equation
   22,665.61 : 31,274.87 = 12,593.87 : x
2. Step 2: Convert to fraction form
   22,665.61/31,274.87 = 12,593.87/x
3. Step 3: Cross multiply
   22,665.61x = 31,274.87 × 12,593.87
4. Step 4: Simplify right side
   22,665.61x = 393,871,647.05
5. Step 5: Solve for x
   x = 393,871,647.05/22,665.61
6. Step 6: Final answer
   x = 17,377.50