Finding the Fourth Proportional to 5,187.34, 7,158.73 and 2,949.42

Step by Step Solution

1. Step 1: Write the proportion equation
   5,187.34 : 7,158.73 = 2,949.42 : x
2. Step 2: Convert to fraction form
   5,187.34/7,158.73 = 2,949.42/x
3. Step 3: Cross multiply
   5,187.34x = 7,158.73 × 2,949.42
4. Step 4: Simplify right side
   5,187.34x = 21,114,106.30
5. Step 5: Solve for x
   x = 21,114,106.30/5,187.34
6. Step 6: Final answer
   x = 4,070.31