Finding the Fourth Proportional to 5,120.82, 7,066.82 and 2,997.86

Step by Step Solution

1. Step 1: Write the proportion equation
   5,120.82 : 7,066.82 = 2,997.86 : x
2. Step 2: Convert to fraction form
   5,120.82/7,066.82 = 2,997.86/x
3. Step 3: Cross multiply
   5,120.82x = 7,066.82 × 2,997.86
4. Step 4: Simplify right side
   5,120.82x = 21,185,309.17
5. Step 5: Solve for x
   x = 21,185,309.17/5,120.82
6. Step 6: Final answer
   x = 4,137.09