Finding the Fourth Proportional to 2,470.86, 3,392.55 and 2,406.65

Step by Step Solution

1. Step 1: Write the proportion equation
   2,470.86 : 3,392.55 = 2,406.65 : x
2. Step 2: Convert to fraction form
   2,470.86/3,392.55 = 2,406.65/x
3. Step 3: Cross multiply
   2,470.86x = 3,392.55 × 2,406.65
4. Step 4: Simplify right side
   2,470.86x = 8,164,663.49
5. Step 5: Solve for x
   x = 8,164,663.49/2,470.86
6. Step 6: Final answer
   x = 3,304.38