Finding the Fourth Proportional to 7,253.04, 10,881.18 and 3,921.21

Step by Step Solution

1. Step 1: Write the proportion equation
   7,253.04 : 10,881.18 = 3,921.21 : x
2. Step 2: Convert to fraction form
   7,253.04/10,881.18 = 3,921.21/x
3. Step 3: Cross multiply
   7,253.04x = 10,881.18 × 3,921.21
4. Step 4: Simplify right side
   7,253.04x = 42,667,391.83
5. Step 5: Solve for x
   x = 42,667,391.83/7,253.04
6. Step 6: Final answer
   x = 5,882.69