Finding the Fourth Proportional to 2,917.43, 4,376.83 and 837.47

Step by Step Solution

1. Step 1: Write the proportion equation
   2,917.43 : 4,376.83 = 837.47 : x
2. Step 2: Convert to fraction form
   2,917.43/4,376.83 = 837.47/x
3. Step 3: Cross multiply
   2,917.43x = 4,376.83 × 837.47
4. Step 4: Simplify right side
   2,917.43x = 3,665,463.82
5. Step 5: Solve for x
   x = 3,665,463.82/2,917.43
6. Step 6: Final answer
   x = 1,256.40