Finding the Fourth Proportional to 4,785.32, 7,176.16 and 3,141.43

Step by Step Solution

1. Step 1: Write the proportion equation
   4,785.32 : 7,176.16 = 3,141.43 : x
2. Step 2: Convert to fraction form
   4,785.32/7,176.16 = 3,141.43/x
3. Step 3: Cross multiply
   4,785.32x = 7,176.16 × 3,141.43
4. Step 4: Simplify right side
   4,785.32x = 22,543,404.31
5. Step 5: Solve for x
   x = 22,543,404.31/4,785.32
6. Step 6: Final answer
   x = 4,710.95