Finding the Fourth Proportional to 3,443.34, 5,185.17 and 2,476.20

Step by Step Solution

1. Step 1: Write the proportion equation
   3,443.34 : 5,185.17 = 2,476.20 : x
2. Step 2: Convert to fraction form
   3,443.34/5,185.17 = 2,476.20/x
3. Step 3: Cross multiply
   3,443.34x = 5,185.17 × 2,476.20
4. Step 4: Simplify right side
   3,443.34x = 12,839,517.95
5. Step 5: Solve for x
   x = 12,839,517.95/3,443.34
6. Step 6: Final answer
   x = 3,728.80