Finding the Fourth Proportional to 5,118.01, 7,061.65 and 2,879.69

Step by Step Solution

1. Step 1: Write the proportion equation
   5,118.01 : 7,061.65 = 2,879.69 : x
2. Step 2: Convert to fraction form
   5,118.01/7,061.65 = 2,879.69/x
3. Step 3: Cross multiply
   5,118.01x = 7,061.65 × 2,879.69
4. Step 4: Simplify right side
   5,118.01x = 20,335,320.38
5. Step 5: Solve for x
   x = 20,335,320.38/5,118.01
6. Step 6: Final answer
   x = 3,973.29