Finding the Fourth Proportional to 1,425.56, 2,138.42 and 695.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,425.56 : 2,138.42 = 695.72 : x
2. Step 2: Convert to fraction form
   1,425.56/2,138.42 = 695.72/x
3. Step 3: Cross multiply
   1,425.56x = 2,138.42 × 695.72
4. Step 4: Simplify right side
   1,425.56x = 1,487,741.56
5. Step 5: Solve for x
   x = 1,487,741.56/1,425.56
6. Step 6: Final answer
   x = 1,043.62