Finding the Fourth Proportional to 9,374.16, 12,936.60 and 5,182.56

Step by Step Solution

1. Step 1: Write the proportion equation
   9,374.16 : 12,936.60 = 5,182.56 : x
2. Step 2: Convert to fraction form
   9,374.16/12,936.60 = 5,182.56/x
3. Step 3: Cross multiply
   9,374.16x = 12,936.60 × 5,182.56
4. Step 4: Simplify right side
   9,374.16x = 67,044,705.70
5. Step 5: Solve for x
   x = 67,044,705.70/9,374.16
6. Step 6: Final answer
   x = 7,152.08