Finding the Fourth Proportional to 1,436.72, 2,155.43 and 462.83

Step by Step Solution

1. Step 1: Write the proportion equation
   1,436.72 : 2,155.43 = 462.83 : x
2. Step 2: Convert to fraction form
   1,436.72/2,155.43 = 462.83/x
3. Step 3: Cross multiply
   1,436.72x = 2,155.43 × 462.83
4. Step 4: Simplify right side
   1,436.72x = 997,584.58
5. Step 5: Solve for x
   x = 997,584.58/1,436.72
6. Step 6: Final answer
   x = 694.35