Finding the Fourth Proportional to 2,917.59, 4,378.41 and 1,273.29

Step by Step Solution

1. Step 1: Write the proportion equation
   2,917.59 : 4,378.41 = 1,273.29 : x
2. Step 2: Convert to fraction form
   2,917.59/4,378.41 = 1,273.29/x
3. Step 3: Cross multiply
   2,917.59x = 4,378.41 × 1,273.29
4. Step 4: Simplify right side
   2,917.59x = 5,574,985.67
5. Step 5: Solve for x
   x = 5,574,985.67/2,917.59
6. Step 6: Final answer
   x = 1,910.82