Finding the Fourth Proportional to 22,997.89, 31,737.01 and 13,437.06

Step by Step Solution

1. Step 1: Write the proportion equation
   22,997.89 : 31,737.01 = 13,437.06 : x
2. Step 2: Convert to fraction form
   22,997.89/31,737.01 = 13,437.06/x
3. Step 3: Cross multiply
   22,997.89x = 31,737.01 × 13,437.06
4. Step 4: Simplify right side
   22,997.89x = 426,452,107.59
5. Step 5: Solve for x
   x = 426,452,107.59/22,997.89
6. Step 6: Final answer
   x = 18,543.10