Finding the Fourth Proportional to 5,857.86, 8,776.89 and 3,544.50

Step by Step Solution

1. Step 1: Write the proportion equation
   5,857.86 : 8,776.89 = 3,544.50 : x
2. Step 2: Convert to fraction form
   5,857.86/8,776.89 = 3,544.50/x
3. Step 3: Cross multiply
   5,857.86x = 8,776.89 × 3,544.50
4. Step 4: Simplify right side
   5,857.86x = 31,109,686.61
5. Step 5: Solve for x
   x = 31,109,686.61/5,857.86
6. Step 6: Final answer
   x = 5,310.76