Finding the Fourth Proportional to 3,002.16, 4,494.72 and 2,386.80

Step by Step Solution

1. Step 1: Write the proportion equation
   3,002.16 : 4,494.72 = 2,386.80 : x
2. Step 2: Convert to fraction form
   3,002.16/4,494.72 = 2,386.80/x
3. Step 3: Cross multiply
   3,002.16x = 4,494.72 × 2,386.80
4. Step 4: Simplify right side
   3,002.16x = 10,727,997.70
5. Step 5: Solve for x
   x = 10,727,997.70/3,002.16
6. Step 6: Final answer
   x = 3,573.43