Finding the Fourth Proportional to 1,810.42, 2,498.38 and 1,064.39

Step by Step Solution

1. Step 1: Write the proportion equation
   1,810.42 : 2,498.38 = 1,064.39 : x
2. Step 2: Convert to fraction form
   1,810.42/2,498.38 = 1,064.39/x
3. Step 3: Cross multiply
   1,810.42x = 2,498.38 × 1,064.39
4. Step 4: Simplify right side
   1,810.42x = 2,659,235.54
5. Step 5: Solve for x
   x = 2,659,235.54/1,810.42
6. Step 6: Final answer
   x = 1,468.85