Finding the Fourth Proportional to 4,199.31, 6,262.38 and 3,681.72

Step by Step Solution

1. Step 1: Write the proportion equation
   4,199.31 : 6,262.38 = 3,681.72 : x
2. Step 2: Convert to fraction form
   4,199.31/6,262.38 = 3,681.72/x
3. Step 3: Cross multiply
   4,199.31x = 6,262.38 × 3,681.72
4. Step 4: Simplify right side
   4,199.31x = 23,056,329.69
5. Step 5: Solve for x
   x = 23,056,329.69/4,199.31
6. Step 6: Final answer
   x = 5,490.50