Finding the Fourth Proportional to 5,196.51, 7,170.34 and 2,958.42

Step by Step Solution

1. Step 1: Write the proportion equation
   5,196.51 : 7,170.34 = 2,958.42 : x
2. Step 2: Convert to fraction form
   5,196.51/7,170.34 = 2,958.42/x
3. Step 3: Cross multiply
   5,196.51x = 7,170.34 × 2,958.42
4. Step 4: Simplify right side
   5,196.51x = 21,212,877.26
5. Step 5: Solve for x
   x = 21,212,877.26/5,196.51
6. Step 6: Final answer
   x = 4,082.14