Finding the Fourth Proportional to 11,091.39, 16,632.54 and 5,538.12

Step by Step Solution

1. Step 1: Write the proportion equation
   11,091.39 : 16,632.54 = 5,538.12 : x
2. Step 2: Convert to fraction form
   11,091.39/16,632.54 = 5,538.12/x
3. Step 3: Cross multiply
   11,091.39x = 16,632.54 × 5,538.12
4. Step 4: Simplify right side
   11,091.39x = 92,113,002.42
5. Step 5: Solve for x
   x = 92,113,002.42/11,091.39
6. Step 6: Final answer
   x = 8,304.91