Finding the Fourth Proportional to 12,259.22, 16,902.78 and 10,367.42

Step by Step Solution

1. Step 1: Write the proportion equation
   12,259.22 : 16,902.78 = 10,367.42 : x
2. Step 2: Convert to fraction form
   12,259.22/16,902.78 = 10,367.42/x
3. Step 3: Cross multiply
   12,259.22x = 16,902.78 × 10,367.42
4. Step 4: Simplify right side
   12,259.22x = 175,238,219.43
5. Step 5: Solve for x
   x = 175,238,219.43/12,259.22
6. Step 6: Final answer
   x = 14,294.40