Finding the Fourth Proportional to 4,925.31, 6,796.94 and 3,159.31

Step by Step Solution

1. Step 1: Write the proportion equation
   4,925.31 : 6,796.94 = 3,159.31 : x
2. Step 2: Convert to fraction form
   4,925.31/6,796.94 = 3,159.31/x
3. Step 3: Cross multiply
   4,925.31x = 6,796.94 × 3,159.31
4. Step 4: Simplify right side
   4,925.31x = 21,473,640.51
5. Step 5: Solve for x
   x = 21,473,640.51/4,925.31
6. Step 6: Final answer
   x = 4,359.86