Finding the Fourth Proportional to 5,058.27, 7,588.78 and 2,868.55

Step by Step Solution

1. Step 1: Write the proportion equation
   5,058.27 : 7,588.78 = 2,868.55 : x
2. Step 2: Convert to fraction form
   5,058.27/7,588.78 = 2,868.55/x
3. Step 3: Cross multiply
   5,058.27x = 7,588.78 × 2,868.55
4. Step 4: Simplify right side
   5,058.27x = 21,768,768.73
5. Step 5: Solve for x
   x = 21,768,768.73/5,058.27
6. Step 6: Final answer
   x = 4,303.60