Finding the Fourth Proportional to 2,017.58, 2,784.27 and 1,178.33

Step by Step Solution

1. Step 1: Write the proportion equation
   2,017.58 : 2,784.27 = 1,178.33 : x
2. Step 2: Convert to fraction form
   2,017.58/2,784.27 = 1,178.33/x
3. Step 3: Cross multiply
   2,017.58x = 2,784.27 × 1,178.33
4. Step 4: Simplify right side
   2,017.58x = 3,280,788.87
5. Step 5: Solve for x
   x = 3,280,788.87/2,017.58
6. Step 6: Final answer
   x = 1,626.10