Finding the Fourth Proportional to 22,403.31, 30,913.43 and 14,837.91

Step by Step Solution

1. Step 1: Write the proportion equation
   22,403.31 : 30,913.43 = 14,837.91 : x
2. Step 2: Convert to fraction form
   22,403.31/30,913.43 = 14,837.91/x
3. Step 3: Cross multiply
   22,403.31x = 30,913.43 × 14,837.91
4. Step 4: Simplify right side
   22,403.31x = 458,690,617.94
5. Step 5: Solve for x
   x = 458,690,617.94/22,403.31
6. Step 6: Final answer
   x = 20,474.23