Finding the Fourth Proportional to 9,160.98, 12,641.72 and 5,182.67

Step by Step Solution

1. Step 1: Write the proportion equation
   9,160.98 : 12,641.72 = 5,182.67 : x
2. Step 2: Convert to fraction form
   9,160.98/12,641.72 = 5,182.67/x
3. Step 3: Cross multiply
   9,160.98x = 12,641.72 × 5,182.67
4. Step 4: Simplify right side
   9,160.98x = 65,517,773.87
5. Step 5: Solve for x
   x = 65,517,773.87/9,160.98
6. Step 6: Final answer
   x = 7,151.83