Finding the Fourth Proportional to 2,870.30, 3,952.86 and 2,468.90

Step by Step Solution

1. Step 1: Write the proportion equation
   2,870.30 : 3,952.86 = 2,468.90 : x
2. Step 2: Convert to fraction form
   2,870.30/3,952.86 = 2,468.90/x
3. Step 3: Cross multiply
   2,870.30x = 3,952.86 × 2,468.90
4. Step 4: Simplify right side
   2,870.30x = 9,759,216.05
5. Step 5: Solve for x
   x = 9,759,216.05/2,870.30
6. Step 6: Final answer
   x = 3,400.07