Finding the Fourth Proportional to 11,091.68, 16,632.72 and 3,298.40

Step by Step Solution

1. Step 1: Write the proportion equation
   11,091.68 : 16,632.72 = 3,298.40 : x
2. Step 2: Convert to fraction form
   11,091.68/16,632.72 = 3,298.40/x
3. Step 3: Cross multiply
   11,091.68x = 16,632.72 × 3,298.40
4. Step 4: Simplify right side
   11,091.68x = 54,861,363.65
5. Step 5: Solve for x
   x = 54,861,363.65/11,091.68
6. Step 6: Final answer
   x = 4,946.17