Finding the Fourth Proportional to 9,088.94, 12,542.94 and 5,554.10

Step by Step Solution

1. Step 1: Write the proportion equation
   9,088.94 : 12,542.94 = 5,554.10 : x
2. Step 2: Convert to fraction form
   9,088.94/12,542.94 = 5,554.10/x
3. Step 3: Cross multiply
   9,088.94x = 12,542.94 × 5,554.10
4. Step 4: Simplify right side
   9,088.94x = 69,664,743.05
5. Step 5: Solve for x
   x = 69,664,743.05/9,088.94
6. Step 6: Final answer
   x = 7,664.78