Finding the Fourth Proportional to 9,375.92, 12,938.72 and 5,184.16

Step by Step Solution

1. Step 1: Write the proportion equation
   9,375.92 : 12,938.72 = 5,184.16 : x
2. Step 2: Convert to fraction form
   9,375.92/12,938.72 = 5,184.16/x
3. Step 3: Cross multiply
   9,375.92x = 12,938.72 × 5,184.16
4. Step 4: Simplify right side
   9,375.92x = 67,076,394.68
5. Step 5: Solve for x
   x = 67,076,394.68/9,375.92
6. Step 6: Final answer
   x = 7,154.11