Finding the Fourth Proportional to 5,705.00, 7,872.83 and 3,187.35

Step by Step Solution

1. Step 1: Write the proportion equation
   5,705.00 : 7,872.83 = 3,187.35 : x
2. Step 2: Convert to fraction form
   5,705.00/7,872.83 = 3,187.35/x
3. Step 3: Cross multiply
   5,705.00x = 7,872.83 × 3,187.35
4. Step 4: Simplify right side
   5,705.00x = 25,093,448.76
5. Step 5: Solve for x
   x = 25,093,448.76/5,705.00
6. Step 6: Final answer
   x = 4,398.50