Finding the Fourth Proportional to 3,634.50, 5,421.57 and 3,513.02

Step by Step Solution

1. Step 1: Write the proportion equation
   3,634.50 : 5,421.57 = 3,513.02 : x
2. Step 2: Convert to fraction form
   3,634.50/5,421.57 = 3,513.02/x
3. Step 3: Cross multiply
   3,634.50x = 5,421.57 × 3,513.02
4. Step 4: Simplify right side
   3,634.50x = 19,046,056.73
5. Step 5: Solve for x
   x = 19,046,056.73/3,634.50
6. Step 6: Final answer
   x = 5,240.35