Finding the Fourth Proportional to 1,436.73, 2,154.89 and 462.71

Step by Step Solution

1. Step 1: Write the proportion equation
   1,436.73 : 2,154.89 = 462.71 : x
2. Step 2: Convert to fraction form
   1,436.73/2,154.89 = 462.71/x
3. Step 3: Cross multiply
   1,436.73x = 2,154.89 × 462.71
4. Step 4: Simplify right side
   1,436.73x = 997,076.06
5. Step 5: Solve for x
   x = 997,076.06/1,436.73
6. Step 6: Final answer
   x = 693.99