Finding the Fourth Proportional to 2,997.09, 4,518.10 and 2,796.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,997.09 : 4,518.10 = 2,796.42 : x
2. Step 2: Convert to fraction form
   2,997.09/4,518.10 = 2,796.42/x
3. Step 3: Cross multiply
   2,997.09x = 4,518.10 × 2,796.42
4. Step 4: Simplify right side
   2,997.09x = 12,634,505.20
5. Step 5: Solve for x
   x = 12,634,505.20/2,997.09
6. Step 6: Final answer
   x = 4,215.59