Finding the Fourth Proportional to 9,375.40, 12,936.18 and 5,182.84

Step by Step Solution

1. Step 1: Write the proportion equation
   9,375.40 : 12,936.18 = 5,182.84 : x
2. Step 2: Convert to fraction form
   9,375.40/12,936.18 = 5,182.84/x
3. Step 3: Cross multiply
   9,375.40x = 12,936.18 × 5,182.84
4. Step 4: Simplify right side
   9,375.40x = 67,046,151.15
5. Step 5: Solve for x
   x = 67,046,151.15/9,375.40
6. Step 6: Final answer
   x = 7,151.28