Finding the Fourth Proportional to 22,493.54, 31,039.72 and 13,543.94

Step by Step Solution

1. Step 1: Write the proportion equation
   22,493.54 : 31,039.72 = 13,543.94 : x
2. Step 2: Convert to fraction form
   22,493.54/31,039.72 = 13,543.94/x
3. Step 3: Cross multiply
   22,493.54x = 31,039.72 × 13,543.94
4. Step 4: Simplify right side
   22,493.54x = 420,399,916.24
5. Step 5: Solve for x
   x = 420,399,916.24/22,493.54
6. Step 6: Final answer
   x = 18,689.81