Finding the Fourth Proportional to 5,118.02, 7,061.97 and 2,879.72

Step by Step Solution

1. Step 1: Write the proportion equation
   5,118.02 : 7,061.97 = 2,879.72 : x
2. Step 2: Convert to fraction form
   5,118.02/7,061.97 = 2,879.72/x
3. Step 3: Cross multiply
   5,118.02x = 7,061.97 × 2,879.72
4. Step 4: Simplify right side
   5,118.02x = 20,336,496.25
5. Step 5: Solve for x
   x = 20,336,496.25/5,118.02
6. Step 6: Final answer
   x = 3,973.51