Finding the Fourth Proportional to 22,693.42, 31,304.14 and 13,616.43

Step by Step Solution

1. Step 1: Write the proportion equation
   22,693.42 : 31,304.14 = 13,616.43 : x
2. Step 2: Convert to fraction form
   22,693.42/31,304.14 = 13,616.43/x
3. Step 3: Cross multiply
   22,693.42x = 31,304.14 × 13,616.43
4. Step 4: Simplify right side
   22,693.42x = 426,250,631.02
5. Step 5: Solve for x
   x = 426,250,631.02/22,693.42
6. Step 6: Final answer
   x = 18,783.01