Finding the Fourth Proportional to 4,708.56, 7,057.98 and 3,068.31

Step by Step Solution

1. Step 1: Write the proportion equation
   4,708.56 : 7,057.98 = 3,068.31 : x
2. Step 2: Convert to fraction form
   4,708.56/7,057.98 = 3,068.31/x
3. Step 3: Cross multiply
   4,708.56x = 7,057.98 × 3,068.31
4. Step 4: Simplify right side
   4,708.56x = 21,656,070.61
5. Step 5: Solve for x
   x = 21,656,070.61/4,708.56
6. Step 6: Final answer
   x = 4,599.30