Finding the Fourth Proportional to 1,700.29, 2,548.83 and 919.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,700.29 : 2,548.83 = 919.12 : x
2. Step 2: Convert to fraction form
   1,700.29/2,548.83 = 919.12/x
3. Step 3: Cross multiply
   1,700.29x = 2,548.83 × 919.12
4. Step 4: Simplify right side
   1,700.29x = 2,342,680.63
5. Step 5: Solve for x
   x = 2,342,680.63/1,700.29
6. Step 6: Final answer
   x = 1,377.81