Finding the Fourth Proportional to 8,960.31, 12,364.29 and 5,182.89

Step by Step Solution

1. Step 1: Write the proportion equation
   8,960.31 : 12,364.29 = 5,182.89 : x
2. Step 2: Convert to fraction form
   8,960.31/12,364.29 = 5,182.89/x
3. Step 3: Cross multiply
   8,960.31x = 12,364.29 × 5,182.89
4. Step 4: Simplify right side
   8,960.31x = 64,082,755.00
5. Step 5: Solve for x
   x = 64,082,755.00/8,960.31
6. Step 6: Final answer
   x = 7,151.85