Finding the Fourth Proportional to 1,810.42, 2,498.40 and 1,064.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,810.42 : 2,498.40 = 1,064.42 : x
2. Step 2: Convert to fraction form
   1,810.42/2,498.40 = 1,064.42/x
3. Step 3: Cross multiply
   1,810.42x = 2,498.40 × 1,064.42
4. Step 4: Simplify right side
   1,810.42x = 2,659,346.93
5. Step 5: Solve for x
   x = 2,659,346.93/1,810.42
6. Step 6: Final answer
   x = 1,468.91