Finding the Fourth Proportional to 9,091.16, 12,546.96 and 5,553.62

Step by Step Solution

1. Step 1: Write the proportion equation
   9,091.16 : 12,546.96 = 5,553.62 : x
2. Step 2: Convert to fraction form
   9,091.16/12,546.96 = 5,553.62/x
3. Step 3: Cross multiply
   9,091.16x = 12,546.96 × 5,553.62
4. Step 4: Simplify right side
   9,091.16x = 69,681,048.00
5. Step 5: Solve for x
   x = 69,681,048.00/9,091.16
6. Step 6: Final answer
   x = 7,664.70