Finding the Fourth Proportional to 2,575.95, 3,865.05 and 1,017.09

Step by Step Solution

1. Step 1: Write the proportion equation
   2,575.95 : 3,865.05 = 1,017.09 : x
2. Step 2: Convert to fraction form
   2,575.95/3,865.05 = 1,017.09/x
3. Step 3: Cross multiply
   2,575.95x = 3,865.05 × 1,017.09
4. Step 4: Simplify right side
   2,575.95x = 3,931,103.70
5. Step 5: Solve for x
   x = 3,931,103.70/2,575.95
6. Step 6: Final answer
   x = 1,526.08