Finding the Fourth Proportional to 8,730.17, 13,087.91 and 7,082.63

Step by Step Solution

1. Step 1: Write the proportion equation
   8,730.17 : 13,087.91 = 7,082.63 : x
2. Step 2: Convert to fraction form
   8,730.17/13,087.91 = 7,082.63/x
3. Step 3: Cross multiply
   8,730.17x = 13,087.91 × 7,082.63
4. Step 4: Simplify right side
   8,730.17x = 92,696,776.27
5. Step 5: Solve for x
   x = 92,696,776.27/8,730.17
6. Step 6: Final answer
   x = 10,617.99