Finding the Fourth Proportional to 2,470.18, 3,390.71 and 2,184.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,470.18 : 3,390.71 = 2,184.15 : x
2. Step 2: Convert to fraction form
   2,470.18/3,390.71 = 2,184.15/x
3. Step 3: Cross multiply
   2,470.18x = 3,390.71 × 2,184.15
4. Step 4: Simplify right side
   2,470.18x = 7,405,819.25
5. Step 5: Solve for x
   x = 7,405,819.25/2,470.18
6. Step 6: Final answer
   x = 2,998.09