Finding the Fourth Proportional to 9,087.43, 13,621.35 and 4,397.53

Step by Step Solution

1. Step 1: Write the proportion equation
   9,087.43 : 13,621.35 = 4,397.53 : x
2. Step 2: Convert to fraction form
   9,087.43/13,621.35 = 4,397.53/x
3. Step 3: Cross multiply
   9,087.43x = 13,621.35 × 4,397.53
4. Step 4: Simplify right side
   9,087.43x = 59,900,295.27
5. Step 5: Solve for x
   x = 59,900,295.27/9,087.43
6. Step 6: Final answer
   x = 6,591.56