Finding the Fourth Proportional to 22,480.47, 31,025.16 and 16,805.39

Step by Step Solution

1. Step 1: Write the proportion equation
   22,480.47 : 31,025.16 = 16,805.39 : x
2. Step 2: Convert to fraction form
   22,480.47/31,025.16 = 16,805.39/x
3. Step 3: Cross multiply
   22,480.47x = 31,025.16 × 16,805.39
4. Step 4: Simplify right side
   22,480.47x = 521,389,758.49
5. Step 5: Solve for x
   x = 521,389,758.49/22,480.47
6. Step 6: Final answer
   x = 23,193.01