Finding the Fourth Proportional to 9,087.35, 12,541.20 and 5,551.22

Step by Step Solution

1. Step 1: Write the proportion equation
   9,087.35 : 12,541.20 = 5,551.22 : x
2. Step 2: Convert to fraction form
   9,087.35/12,541.20 = 5,551.22/x
3. Step 3: Cross multiply
   9,087.35x = 12,541.20 × 5,551.22
4. Step 4: Simplify right side
   9,087.35x = 69,618,970.80
5. Step 5: Solve for x
   x = 69,618,970.80/9,087.35
6. Step 6: Final answer
   x = 7,661.09