Finding the Fourth Proportional to 22,002.59, 30,363.18 and 12,442.34

Step by Step Solution

1. Step 1: Write the proportion equation
   22,002.59 : 30,363.18 = 12,442.34 : x
2. Step 2: Convert to fraction form
   22,002.59/30,363.18 = 12,442.34/x
3. Step 3: Cross multiply
   22,002.59x = 30,363.18 × 12,442.34
4. Step 4: Simplify right side
   22,002.59x = 377,789,009.04
5. Step 5: Solve for x
   x = 377,789,009.04/22,002.59
6. Step 6: Final answer
   x = 17,170.21