Finding the Fourth Proportional to 2,314.08, 3,470.59 and 1,389.90

Step by Step Solution

1. Step 1: Write the proportion equation
   2,314.08 : 3,470.59 = 1,389.90 : x
2. Step 2: Convert to fraction form
   2,314.08/3,470.59 = 1,389.90/x
3. Step 3: Cross multiply
   2,314.08x = 3,470.59 × 1,389.90
4. Step 4: Simplify right side
   2,314.08x = 4,823,769.57
5. Step 5: Solve for x
   x = 4,823,769.57/2,314.08
6. Step 6: Final answer
   x = 2,084.53