Finding the Fourth Proportional to 1,809.79, 2,498.09 and 1,064.05

Step by Step Solution

1. Step 1: Write the proportion equation
   1,809.79 : 2,498.09 = 1,064.05 : x
2. Step 2: Convert to fraction form
   1,809.79/2,498.09 = 1,064.05/x
3. Step 3: Cross multiply
   1,809.79x = 2,498.09 × 1,064.05
4. Step 4: Simplify right side
   1,809.79x = 2,658,081.10
5. Step 5: Solve for x
   x = 2,658,081.10/1,809.79
6. Step 6: Final answer
   x = 1,468.73