Finding the Fourth Proportional to 5,248.72, 7,241.98 and 2,979.94

Step by Step Solution

1. Step 1: Write the proportion equation
   5,248.72 : 7,241.98 = 2,979.94 : x
2. Step 2: Convert to fraction form
   5,248.72/7,241.98 = 2,979.94/x
3. Step 3: Cross multiply
   5,248.72x = 7,241.98 × 2,979.94
4. Step 4: Simplify right side
   5,248.72x = 21,580,665.88
5. Step 5: Solve for x
   x = 21,580,665.88/5,248.72
6. Step 6: Final answer
   x = 4,111.61