Finding the Fourth Proportional to 2,429.31, 3,354.05 and 1,868.74

Step by Step Solution

1. Step 1: Write the proportion equation
   2,429.31 : 3,354.05 = 1,868.74 : x
2. Step 2: Convert to fraction form
   2,429.31/3,354.05 = 1,868.74/x
3. Step 3: Cross multiply
   2,429.31x = 3,354.05 × 1,868.74
4. Step 4: Simplify right side
   2,429.31x = 6,267,847.40
5. Step 5: Solve for x
   x = 6,267,847.40/2,429.31
6. Step 6: Final answer
   x = 2,580.09