Finding the Fourth Proportional to 5,972.72, 8,242.16 and 3,320.04

Step by Step Solution

1. Step 1: Write the proportion equation
   5,972.72 : 8,242.16 = 3,320.04 : x
2. Step 2: Convert to fraction form
   5,972.72/8,242.16 = 3,320.04/x
3. Step 3: Cross multiply
   5,972.72x = 8,242.16 × 3,320.04
4. Step 4: Simplify right side
   5,972.72x = 27,364,300.89
5. Step 5: Solve for x
   x = 27,364,300.89/5,972.72
6. Step 6: Final answer
   x = 4,581.55