Finding the Fourth Proportional to 5,745.27, 8,623.71 and 3,870.93

Step by Step Solution

1. Step 1: Write the proportion equation
   5,745.27 : 8,623.71 = 3,870.93 : x
2. Step 2: Convert to fraction form
   5,745.27/8,623.71 = 3,870.93/x
3. Step 3: Cross multiply
   5,745.27x = 8,623.71 × 3,870.93
4. Step 4: Simplify right side
   5,745.27x = 33,381,777.75
5. Step 5: Solve for x
   x = 33,381,777.75/5,745.27
6. Step 6: Final answer
   x = 5,810.31