Finding the Fourth Proportional to 5,531.02, 7,622.31 and 3,956.38

Step by Step Solution

1. Step 1: Write the proportion equation
   5,531.02 : 7,622.31 = 3,956.38 : x
2. Step 2: Convert to fraction form
   5,531.02/7,622.31 = 3,956.38/x
3. Step 3: Cross multiply
   5,531.02x = 7,622.31 × 3,956.38
4. Step 4: Simplify right side
   5,531.02x = 30,156,754.84
5. Step 5: Solve for x
   x = 30,156,754.84/5,531.02
6. Step 6: Final answer
   x = 5,452.30