Finding the Fourth Proportional to 22,433.42, 30,957.54 and 13,001.42

Step by Step Solution

1. Step 1: Write the proportion equation
   22,433.42 : 30,957.54 = 13,001.42 : x
2. Step 2: Convert to fraction form
   22,433.42/30,957.54 = 13,001.42/x
3. Step 3: Cross multiply
   22,433.42x = 30,957.54 × 13,001.42
4. Step 4: Simplify right side
   22,433.42x = 402,491,979.71
5. Step 5: Solve for x
   x = 402,491,979.71/22,433.42
6. Step 6: Final answer
   x = 17,941.62