Finding the Fourth Proportional to 5,275.73, 7,280.89 and 2,917.82

Step by Step Solution

1. Step 1: Write the proportion equation
   5,275.73 : 7,280.89 = 2,917.82 : x
2. Step 2: Convert to fraction form
   5,275.73/7,280.89 = 2,917.82/x
3. Step 3: Cross multiply
   5,275.73x = 7,280.89 × 2,917.82
4. Step 4: Simplify right side
   5,275.73x = 21,244,337.37
5. Step 5: Solve for x
   x = 21,244,337.37/5,275.73
6. Step 6: Final answer
   x = 4,026.80