Finding the Fourth Proportional to 2,774.42, 4,157.96 and 1,017.80

Step by Step Solution

1. Step 1: Write the proportion equation
   2,774.42 : 4,157.96 = 1,017.80 : x
2. Step 2: Convert to fraction form
   2,774.42/4,157.96 = 1,017.80/x
3. Step 3: Cross multiply
   2,774.42x = 4,157.96 × 1,017.80
4. Step 4: Simplify right side
   2,774.42x = 4,231,971.69
5. Step 5: Solve for x
   x = 4,231,971.69/2,774.42
6. Step 6: Final answer
   x = 1,525.35