Finding the Fourth Proportional to 5,802.15, 8,707.83 and 2,105.42

Step by Step Solution

1. Step 1: Write the proportion equation
   5,802.15 : 8,707.83 = 2,105.42 : x
2. Step 2: Convert to fraction form
   5,802.15/8,707.83 = 2,105.42/x
3. Step 3: Cross multiply
   5,802.15x = 8,707.83 × 2,105.42
4. Step 4: Simplify right side
   5,802.15x = 18,333,595.90
5. Step 5: Solve for x
   x = 18,333,595.90/5,802.15
6. Step 6: Final answer
   x = 3,159.79