Finding the Fourth Proportional to 1,417.50, 1,954.89 and 919.67

Step by Step Solution

1. Step 1: Write the proportion equation
   1,417.50 : 1,954.89 = 919.67 : x
2. Step 2: Convert to fraction form
   1,417.50/1,954.89 = 919.67/x
3. Step 3: Cross multiply
   1,417.50x = 1,954.89 × 919.67
4. Step 4: Simplify right side
   1,417.50x = 1,797,843.91
5. Step 5: Solve for x
   x = 1,797,843.91/1,417.50
6. Step 6: Final answer
   x = 1,268.32