Finding the Fourth Proportional to 3,522.42, 5,282.42 and 1,672.28

Step by Step Solution

1. Step 1: Write the proportion equation
   3,522.42 : 5,282.42 = 1,672.28 : x
2. Step 2: Convert to fraction form
   3,522.42/5,282.42 = 1,672.28/x
3. Step 3: Cross multiply
   3,522.42x = 5,282.42 × 1,672.28
4. Step 4: Simplify right side
   3,522.42x = 8,833,685.32
5. Step 5: Solve for x
   x = 8,833,685.32/3,522.42
6. Step 6: Final answer
   x = 2,507.85