Finding the Fourth Proportional to 3,674.88, 5,056.52 and 3,587.40

Step by Step Solution

1. Step 1: Write the proportion equation
   3,674.88 : 5,056.52 = 3,587.40 : x
2. Step 2: Convert to fraction form
   3,674.88/5,056.52 = 3,587.40/x
3. Step 3: Cross multiply
   3,674.88x = 5,056.52 × 3,587.40
4. Step 4: Simplify right side
   3,674.88x = 18,139,741.91
5. Step 5: Solve for x
   x = 18,139,741.91/3,674.88
6. Step 6: Final answer
   x = 4,936.15