Finding the Fourth Proportional to 5,813.61, 8,009.42 and 4,019.37

Step by Step Solution

1. Step 1: Write the proportion equation
   5,813.61 : 8,009.42 = 4,019.37 : x
2. Step 2: Convert to fraction form
   5,813.61/8,009.42 = 4,019.37/x
3. Step 3: Cross multiply
   5,813.61x = 8,009.42 × 4,019.37
4. Step 4: Simplify right side
   5,813.61x = 32,192,802.37
5. Step 5: Solve for x
   x = 32,192,802.37/5,813.61
6. Step 6: Final answer
   x = 5,537.49