Finding the Fourth Proportional to 2,470.05, 3,700.80 and 1,298.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,470.05 : 3,700.80 = 1,298.31 : x
2. Step 2: Convert to fraction form
   2,470.05/3,700.80 = 1,298.31/x
3. Step 3: Cross multiply
   2,470.05x = 3,700.80 × 1,298.31
4. Step 4: Simplify right side
   2,470.05x = 4,804,785.65
5. Step 5: Solve for x
   x = 4,804,785.65/2,470.05
6. Step 6: Final answer
   x = 1,945.22