Finding the Fourth Proportional to 28,116.39, 38,799.46 and 16,180.15

Step by Step Solution

1. Step 1: Write the proportion equation
   28,116.39 : 38,799.46 = 16,180.15 : x
2. Step 2: Convert to fraction form
   28,116.39/38,799.46 = 16,180.15/x
3. Step 3: Cross multiply
   28,116.39x = 38,799.46 × 16,180.15
4. Step 4: Simplify right side
   28,116.39x = 627,781,082.72
5. Step 5: Solve for x
   x = 627,781,082.72/28,116.39
6. Step 6: Final answer
   x = 22,327.94