Finding the Fourth Proportional to 2,864.94, 4,298.01 and 917.29

Step by Step Solution

1. Step 1: Write the proportion equation
   2,864.94 : 4,298.01 = 917.29 : x
2. Step 2: Convert to fraction form
   2,864.94/4,298.01 = 917.29/x
3. Step 3: Cross multiply
   2,864.94x = 4,298.01 × 917.29
4. Step 4: Simplify right side
   2,864.94x = 3,942,521.59
5. Step 5: Solve for x
   x = 3,942,521.59/2,864.94
6. Step 6: Final answer
   x = 1,376.13