Finding the Fourth Proportional to 1,784.24, 2,677.52 and 810.35

Step by Step Solution

1. Step 1: Write the proportion equation
   1,784.24 : 2,677.52 = 810.35 : x
2. Step 2: Convert to fraction form
   1,784.24/2,677.52 = 810.35/x
3. Step 3: Cross multiply
   1,784.24x = 2,677.52 × 810.35
4. Step 4: Simplify right side
   1,784.24x = 2,169,728.33
5. Step 5: Solve for x
   x = 2,169,728.33/1,784.24
6. Step 6: Final answer
   x = 1,216.05