Finding the Fourth Proportional to 11,098.72, 16,662.72 and 10,181.80

Step by Step Solution

1. Step 1: Write the proportion equation
   11,098.72 : 16,662.72 = 10,181.80 : x
2. Step 2: Convert to fraction form
   11,098.72/16,662.72 = 10,181.80/x
3. Step 3: Cross multiply
   11,098.72x = 16,662.72 × 10,181.80
4. Step 4: Simplify right side
   11,098.72x = 169,656,482.50
5. Step 5: Solve for x
   x = 169,656,482.50/11,098.72
6. Step 6: Final answer
   x = 15,286.13