Finding the Fourth Proportional to 1,739.93, 2,607.98 and 814.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,739.93 : 2,607.98 = 814.10 : x
2. Step 2: Convert to fraction form
   1,739.93/2,607.98 = 814.10/x
3. Step 3: Cross multiply
   1,739.93x = 2,607.98 × 814.10
4. Step 4: Simplify right side
   1,739.93x = 2,123,139.41
5. Step 5: Solve for x
   x = 2,123,139.41/1,739.93
6. Step 6: Final answer
   x = 1,220.25