Finding the Fourth Proportional to 2,470.94, 3,407.33 and 2,118.08

Step by Step Solution

1. Step 1: Write the proportion equation
   2,470.94 : 3,407.33 = 2,118.08 : x
2. Step 2: Convert to fraction form
   2,470.94/3,407.33 = 2,118.08/x
3. Step 3: Cross multiply
   2,470.94x = 3,407.33 × 2,118.08
4. Step 4: Simplify right side
   2,470.94x = 7,217,011.34
5. Step 5: Solve for x
   x = 7,217,011.34/2,470.94
6. Step 6: Final answer
   x = 2,920.76