Finding the Fourth Proportional to 5,687.49, 7,848.72 and 3,169.71

Step by Step Solution

1. Step 1: Write the proportion equation
   5,687.49 : 7,848.72 = 3,169.71 : x
2. Step 2: Convert to fraction form
   5,687.49/7,848.72 = 3,169.71/x
3. Step 3: Cross multiply
   5,687.49x = 7,848.72 × 3,169.71
4. Step 4: Simplify right side
   5,687.49x = 24,878,166.27
5. Step 5: Solve for x
   x = 24,878,166.27/5,687.49
6. Step 6: Final answer
   x = 4,374.19