Finding the Fourth Proportional to 1,155.59, 1,733.08 and 425.37

Step by Step Solution

1. Step 1: Write the proportion equation
   1,155.59 : 1,733.08 = 425.37 : x
2. Step 2: Convert to fraction form
   1,155.59/1,733.08 = 425.37/x
3. Step 3: Cross multiply
   1,155.59x = 1,733.08 × 425.37
4. Step 4: Simplify right side
   1,155.59x = 737,200.24
5. Step 5: Solve for x
   x = 737,200.24/1,155.59
6. Step 6: Final answer
   x = 637.94