Finding the Fourth Proportional to 10,928.60, 16,383.17 and 5,082.02

Step by Step Solution

1. Step 1: Write the proportion equation
   10,928.60 : 16,383.17 = 5,082.02 : x
2. Step 2: Convert to fraction form
   10,928.60/16,383.17 = 5,082.02/x
3. Step 3: Cross multiply
   10,928.60x = 16,383.17 × 5,082.02
4. Step 4: Simplify right side
   10,928.60x = 83,259,490.28
5. Step 5: Solve for x
   x = 83,259,490.28/10,928.60
6. Step 6: Final answer
   x = 7,618.50