Finding the Fourth Proportional to 2,774.01, 4,158.54 and 1,017.79

Step by Step Solution

1. Step 1: Write the proportion equation
   2,774.01 : 4,158.54 = 1,017.79 : x
2. Step 2: Convert to fraction form
   2,774.01/4,158.54 = 1,017.79/x
3. Step 3: Cross multiply
   2,774.01x = 4,158.54 × 1,017.79
4. Step 4: Simplify right side
   2,774.01x = 4,232,520.43
5. Step 5: Solve for x
   x = 4,232,520.43/2,774.01
6. Step 6: Final answer
   x = 1,525.78