Finding the Fourth Proportional to 5,132.42, 7,697.96 and 1,622.78

Step by Step Solution

1. Step 1: Write the proportion equation
   5,132.42 : 7,697.96 = 1,622.78 : x
2. Step 2: Convert to fraction form
   5,132.42/7,697.96 = 1,622.78/x
3. Step 3: Cross multiply
   5,132.42x = 7,697.96 × 1,622.78
4. Step 4: Simplify right side
   5,132.42x = 12,492,096.49
5. Step 5: Solve for x
   x = 12,492,096.49/5,132.42
6. Step 6: Final answer
   x = 2,433.96