Finding the Fourth Proportional to 2,356.56, 3,252.72 and 1,425.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,356.56 : 3,252.72 = 1,425.12 : x
2. Step 2: Convert to fraction form
   2,356.56/3,252.72 = 1,425.12/x
3. Step 3: Cross multiply
   2,356.56x = 3,252.72 × 1,425.12
4. Step 4: Simplify right side
   2,356.56x = 4,635,516.33
5. Step 5: Solve for x
   x = 4,635,516.33/2,356.56
6. Step 6: Final answer
   x = 1,967.07