Finding the Fourth Proportional to 5,240.25, 7,231.56 and 3,002.16

Step by Step Solution

1. Step 1: Write the proportion equation
   5,240.25 : 7,231.56 = 3,002.16 : x
2. Step 2: Convert to fraction form
   5,240.25/7,231.56 = 3,002.16/x
3. Step 3: Cross multiply
   5,240.25x = 7,231.56 × 3,002.16
4. Step 4: Simplify right side
   5,240.25x = 21,710,300.17
5. Step 5: Solve for x
   x = 21,710,300.17/5,240.25
6. Step 6: Final answer
   x = 4,142.99