Finding the Fourth Proportional to 2,017.74, 3,026.92 and 785.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,017.74 : 3,026.92 = 785.10 : x
2. Step 2: Convert to fraction form
   2,017.74/3,026.92 = 785.10/x
3. Step 3: Cross multiply
   2,017.74x = 3,026.92 × 785.10
4. Step 4: Simplify right side
   2,017.74x = 2,376,434.89
5. Step 5: Solve for x
   x = 2,376,434.89/2,017.74
6. Step 6: Final answer
   x = 1,177.77