Finding the Fourth Proportional to 9,375.87, 12,938.67 and 5,184.12

Step by Step Solution

1. Step 1: Write the proportion equation
   9,375.87 : 12,938.67 = 5,184.12 : x
2. Step 2: Convert to fraction form
   9,375.87/12,938.67 = 5,184.12/x
3. Step 3: Cross multiply
   9,375.87x = 12,938.67 × 5,184.12
4. Step 4: Simplify right side
   9,375.87x = 67,075,617.92
5. Step 5: Solve for x
   x = 67,075,617.92/9,375.87
6. Step 6: Final answer
   x = 7,154.07