Finding the Fourth Proportional to 22,782.94, 31,443.49 and 13,351.50

Step by Step Solution

1. Step 1: Write the proportion equation
   22,782.94 : 31,443.49 = 13,351.50 : x
2. Step 2: Convert to fraction form
   22,782.94/31,443.49 = 13,351.50/x
3. Step 3: Cross multiply
   22,782.94x = 31,443.49 × 13,351.50
4. Step 4: Simplify right side
   22,782.94x = 419,817,773.42
5. Step 5: Solve for x
   x = 419,817,773.42/22,782.94
6. Step 6: Final answer
   x = 18,426.85