Finding the Fourth Proportional to 5,179.83, 7,767.32 and 2,712.17

Step by Step Solution

1. Step 1: Write the proportion equation
   5,179.83 : 7,767.32 = 2,712.17 : x
2. Step 2: Convert to fraction form
   5,179.83/7,767.32 = 2,712.17/x
3. Step 3: Cross multiply
   5,179.83x = 7,767.32 × 2,712.17
4. Step 4: Simplify right side
   5,179.83x = 21,066,239.89
5. Step 5: Solve for x
   x = 21,066,239.89/5,179.83
6. Step 6: Final answer
   x = 4,066.98