Finding the Fourth Proportional to 9,375.72, 12,938.58 and 5,184.04

Step by Step Solution

1. Step 1: Write the proportion equation
   9,375.72 : 12,938.58 = 5,184.04 : x
2. Step 2: Convert to fraction form
   9,375.72/12,938.58 = 5,184.04/x
3. Step 3: Cross multiply
   9,375.72x = 12,938.58 × 5,184.04
4. Step 4: Simplify right side
   9,375.72x = 67,074,116.26
5. Step 5: Solve for x
   x = 67,074,116.26/9,375.72
6. Step 6: Final answer
   x = 7,154.02