Finding the Fourth Proportional to 1,417.04, 1,956.52 and 919.92

Step by Step Solution

1. Step 1: Write the proportion equation
   1,417.04 : 1,956.52 = 919.92 : x
2. Step 2: Convert to fraction form
   1,417.04/1,956.52 = 919.92/x
3. Step 3: Cross multiply
   1,417.04x = 1,956.52 × 919.92
4. Step 4: Simplify right side
   1,417.04x = 1,799,841.88
5. Step 5: Solve for x
   x = 1,799,841.88/1,417.04
6. Step 6: Final answer
   x = 1,270.14