Finding the Fourth Proportional to 5,316.48, 7,336.56 and 2,958.72

Step by Step Solution

1. Step 1: Write the proportion equation
   5,316.48 : 7,336.56 = 2,958.72 : x
2. Step 2: Convert to fraction form
   5,316.48/7,336.56 = 2,958.72/x
3. Step 3: Cross multiply
   5,316.48x = 7,336.56 × 2,958.72
4. Step 4: Simplify right side
   5,316.48x = 21,706,826.80
5. Step 5: Solve for x
   x = 21,706,826.80/5,316.48
6. Step 6: Final answer
   x = 4,082.93