Finding the Fourth Proportional to 5,490.63, 7,567.16 and 3,996.18

Step by Step Solution

1. Step 1: Write the proportion equation
   5,490.63 : 7,567.16 = 3,996.18 : x
2. Step 2: Convert to fraction form
   5,490.63/7,567.16 = 3,996.18/x
3. Step 3: Cross multiply
   5,490.63x = 7,567.16 × 3,996.18
4. Step 4: Simplify right side
   5,490.63x = 30,239,713.47
5. Step 5: Solve for x
   x = 30,239,713.47/5,490.63
6. Step 6: Final answer
   x = 5,507.51