Finding the Fourth Proportional to 22,692.78, 31,311.41 and 13,259.52

Step by Step Solution

1. Step 1: Write the proportion equation
   22,692.78 : 31,311.41 = 13,259.52 : x
2. Step 2: Convert to fraction form
   22,692.78/31,311.41 = 13,259.52/x
3. Step 3: Cross multiply
   22,692.78x = 31,311.41 × 13,259.52
4. Step 4: Simplify right side
   22,692.78x = 415,174,200.83
5. Step 5: Solve for x
   x = 415,174,200.83/22,692.78
6. Step 6: Final answer
   x = 18,295.43