Finding the Fourth Proportional to 4,083.59, 5,638.53 and 3,137.88

Step by Step Solution

1. Step 1: Write the proportion equation
   4,083.59 : 5,638.53 = 3,137.88 : x
2. Step 2: Convert to fraction form
   4,083.59/5,638.53 = 3,137.88/x
3. Step 3: Cross multiply
   4,083.59x = 5,638.53 × 3,137.88
4. Step 4: Simplify right side
   4,083.59x = 17,693,014.83
5. Step 5: Solve for x
   x = 17,693,014.83/4,083.59
6. Step 6: Final answer
   x = 4,332.72