Finding the Fourth Proportional to 2,017.58, 3,024.50 and 785.79

Step by Step Solution

1. Step 1: Write the proportion equation
   2,017.58 : 3,024.50 = 785.79 : x
2. Step 2: Convert to fraction form
   2,017.58/3,024.50 = 785.79/x
3. Step 3: Cross multiply
   2,017.58x = 3,024.50 × 785.79
4. Step 4: Simplify right side
   2,017.58x = 2,376,617.93
5. Step 5: Solve for x
   x = 2,376,617.93/2,017.58
6. Step 6: Final answer
   x = 1,177.96