Finding the Fourth Proportional to 1,810.83, 2,498.11 and 1,064.78

Step by Step Solution

1. Step 1: Write the proportion equation
   1,810.83 : 2,498.11 = 1,064.78 : x
2. Step 2: Convert to fraction form
   1,810.83/2,498.11 = 1,064.78/x
3. Step 3: Cross multiply
   1,810.83x = 2,498.11 × 1,064.78
4. Step 4: Simplify right side
   1,810.83x = 2,659,922.41
5. Step 5: Solve for x
   x = 2,659,922.41/1,810.83
6. Step 6: Final answer
   x = 1,468.90