Finding the Fourth Proportional to 2,772.93, 4,158.30 and 1,017.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,772.93 : 4,158.30 = 1,017.42 : x
2. Step 2: Convert to fraction form
   2,772.93/4,158.30 = 1,017.42/x
3. Step 3: Cross multiply
   2,772.93x = 4,158.30 × 1,017.42
4. Step 4: Simplify right side
   2,772.93x = 4,230,737.59
5. Step 5: Solve for x
   x = 4,230,737.59/2,772.93
6. Step 6: Final answer
   x = 1,525.73