Finding the Fourth Proportional to 9,082.15, 13,601.69 and 5,785.25

Step by Step Solution

1. Step 1: Write the proportion equation
   9,082.15 : 13,601.69 = 5,785.25 : x
2. Step 2: Convert to fraction form
   9,082.15/13,601.69 = 5,785.25/x
3. Step 3: Cross multiply
   9,082.15x = 13,601.69 × 5,785.25
4. Step 4: Simplify right side
   9,082.15x = 78,689,109.06
5. Step 5: Solve for x
   x = 78,689,109.06/9,082.15
6. Step 6: Final answer
   x = 8,664.15