Finding the Fourth Proportional to 9,087.42, 13,628.50 and 3,539.53

Step by Step Solution

1. Step 1: Write the proportion equation
   9,087.42 : 13,628.50 = 3,539.53 : x
2. Step 2: Convert to fraction form
   9,087.42/13,628.50 = 3,539.53/x
3. Step 3: Cross multiply
   9,087.42x = 13,628.50 × 3,539.53
4. Step 4: Simplify right side
   9,087.42x = 48,238,398.76
5. Step 5: Solve for x
   x = 48,238,398.76/9,087.42
6. Step 6: Final answer
   x = 5,308.26