Finding the Fourth Proportional to 2,017.81, 3,025.38 and 785.35

Step by Step Solution

1. Step 1: Write the proportion equation
   2,017.81 : 3,025.38 = 785.35 : x
2. Step 2: Convert to fraction form
   2,017.81/3,025.38 = 785.35/x
3. Step 3: Cross multiply
   2,017.81x = 3,025.38 × 785.35
4. Step 4: Simplify right side
   2,017.81x = 2,375,965.27
5. Step 5: Solve for x
   x = 2,375,965.27/2,017.81
6. Step 6: Final answer
   x = 1,177.50