Finding the Fourth Proportional to 3,701.72, 5,551.14 and 3,658.52

Step by Step Solution

1. Step 1: Write the proportion equation
   3,701.72 : 5,551.14 = 3,658.52 : x
2. Step 2: Convert to fraction form
   3,701.72/5,551.14 = 3,658.52/x
3. Step 3: Cross multiply
   3,701.72x = 5,551.14 × 3,658.52
4. Step 4: Simplify right side
   3,701.72x = 20,308,956.71
5. Step 5: Solve for x
   x = 20,308,956.71/3,701.72
6. Step 6: Final answer
   x = 5,486.36