Finding the Fourth Proportional to 4,785.45, 7,168.71 and 4,426.59

Step by Step Solution

1. Step 1: Write the proportion equation
   4,785.45 : 7,168.71 = 4,426.59 : x
2. Step 2: Convert to fraction form
   4,785.45/7,168.71 = 4,426.59/x
3. Step 3: Cross multiply
   4,785.45x = 7,168.71 × 4,426.59
4. Step 4: Simplify right side
   4,785.45x = 31,732,940.00
5. Step 5: Solve for x
   x = 31,732,940.00/4,785.45
6. Step 6: Final answer
   x = 6,631.13