Finding the Fourth Proportional to 7,149.38, 10,709.31 and 5,302.58

Step by Step Solution

1. Step 1: Write the proportion equation
   7,149.38 : 10,709.31 = 5,302.58 : x
2. Step 2: Convert to fraction form
   7,149.38/10,709.31 = 5,302.58/x
3. Step 3: Cross multiply
   7,149.38x = 10,709.31 × 5,302.58
4. Step 4: Simplify right side
   7,149.38x = 56,786,973.02
5. Step 5: Solve for x
   x = 56,786,973.02/7,149.38
6. Step 6: Final answer
   x = 7,942.92