Finding the Fourth Proportional to 2,770.41, 4,157.72 and 1,017.07

Step by Step Solution

1. Step 1: Write the proportion equation
   2,770.41 : 4,157.72 = 1,017.07 : x
2. Step 2: Convert to fraction form
   2,770.41/4,157.72 = 1,017.07/x
3. Step 3: Cross multiply
   2,770.41x = 4,157.72 × 1,017.07
4. Step 4: Simplify right side
   2,770.41x = 4,228,692.28
5. Step 5: Solve for x
   x = 4,228,692.28/2,770.41
6. Step 6: Final answer
   x = 1,526.38