Finding the Fourth Proportional to 5,061.29, 7,590.11 and 2,139.83

Step by Step Solution

1. Step 1: Write the proportion equation
   5,061.29 : 7,590.11 = 2,139.83 : x
2. Step 2: Convert to fraction form
   5,061.29/7,590.11 = 2,139.83/x
3. Step 3: Cross multiply
   5,061.29x = 7,590.11 × 2,139.83
4. Step 4: Simplify right side
   5,061.29x = 16,241,496.43
5. Step 5: Solve for x
   x = 16,241,496.43/5,061.29
6. Step 6: Final answer
   x = 3,208.97