Finding the Fourth Proportional to 9,387.04, 12,954.72 and 5,409.04

Step by Step Solution

1. Step 1: Write the proportion equation
   9,387.04 : 12,954.72 = 5,409.04 : x
2. Step 2: Convert to fraction form
   9,387.04/12,954.72 = 5,409.04/x
3. Step 3: Cross multiply
   9,387.04x = 12,954.72 × 5,409.04
4. Step 4: Simplify right side
   9,387.04x = 70,072,598.67
5. Step 5: Solve for x
   x = 70,072,598.67/9,387.04
6. Step 6: Final answer
   x = 7,464.82