Finding the Fourth Proportional to 7,155.14, 9,874.31 and 4,323.43

Step by Step Solution

1. Step 1: Write the proportion equation
   7,155.14 : 9,874.31 = 4,323.43 : x
2. Step 2: Convert to fraction form
   7,155.14/9,874.31 = 4,323.43/x
3. Step 3: Cross multiply
   7,155.14x = 9,874.31 × 4,323.43
4. Step 4: Simplify right side
   7,155.14x = 42,690,823.27
5. Step 5: Solve for x
   x = 42,690,823.27/7,155.14
6. Step 6: Final answer
   x = 5,966.46