Finding the Fourth Proportional to 1,436.67, 2,156.76 and 945.27

Step by Step Solution

1. Step 1: Write the proportion equation
   1,436.67 : 2,156.76 = 945.27 : x
2. Step 2: Convert to fraction form
   1,436.67/2,156.76 = 945.27/x
3. Step 3: Cross multiply
   1,436.67x = 2,156.76 × 945.27
4. Step 4: Simplify right side
   1,436.67x = 2,038,720.53
5. Step 5: Solve for x
   x = 2,038,720.53/1,436.67
6. Step 6: Final answer
   x = 1,419.06