Finding the Fourth Proportional to 2,476.85, 3,417.50 and 1,680.29

Step by Step Solution

1. Step 1: Write the proportion equation
   2,476.85 : 3,417.50 = 1,680.29 : x
2. Step 2: Convert to fraction form
   2,476.85/3,417.50 = 1,680.29/x
3. Step 3: Cross multiply
   2,476.85x = 3,417.50 × 1,680.29
4. Step 4: Simplify right side
   2,476.85x = 5,742,365.59
5. Step 5: Solve for x
   x = 5,742,365.59/2,476.85
6. Step 6: Final answer
   x = 2,318.41