Finding the Fourth Proportional to 4,079.31, 6,118.04 and 1,997.22

Step by Step Solution

1. Step 1: Write the proportion equation
   4,079.31 : 6,118.04 = 1,997.22 : x
2. Step 2: Convert to fraction form
   4,079.31/6,118.04 = 1,997.22/x
3. Step 3: Cross multiply
   4,079.31x = 6,118.04 × 1,997.22
4. Step 4: Simplify right side
   4,079.31x = 12,219,061.86
5. Step 5: Solve for x
   x = 12,219,061.86/4,079.31
6. Step 6: Final answer
   x = 2,995.37