Finding the Fourth Proportional to 1,810.30, 2,498.08 and 1,064.21

Step by Step Solution

1. Step 1: Write the proportion equation
   1,810.30 : 2,498.08 = 1,064.21 : x
2. Step 2: Convert to fraction form
   1,810.30/2,498.08 = 1,064.21/x
3. Step 3: Cross multiply
   1,810.30x = 2,498.08 × 1,064.21
4. Step 4: Simplify right side
   1,810.30x = 2,658,481.72
5. Step 5: Solve for x
   x = 2,658,481.72/1,810.30
6. Step 6: Final answer
   x = 1,468.53