Finding the Fourth Proportional to 5,327.02, 7,342.10 and 3,998.42

Step by Step Solution

1. Step 1: Write the proportion equation
   5,327.02 : 7,342.10 = 3,998.42 : x
2. Step 2: Convert to fraction form
   5,327.02/7,342.10 = 3,998.42/x
3. Step 3: Cross multiply
   5,327.02x = 7,342.10 × 3,998.42
4. Step 4: Simplify right side
   5,327.02x = 29,356,742.78
5. Step 5: Solve for x
   x = 29,356,742.78/5,327.02
6. Step 6: Final answer
   x = 5,510.92