Finding the Fourth Proportional to 22,493.09, 31,009.42 and 16,124.87

Step by Step Solution

1. Step 1: Write the proportion equation
   22,493.09 : 31,009.42 = 16,124.87 : x
2. Step 2: Convert to fraction form
   22,493.09/31,009.42 = 16,124.87/x
3. Step 3: Cross multiply
   22,493.09x = 31,009.42 × 16,124.87
4. Step 4: Simplify right side
   22,493.09x = 500,022,866.28
5. Step 5: Solve for x
   x = 500,022,866.28/22,493.09
6. Step 6: Final answer
   x = 22,230.07