Finding the Fourth Proportional to 11,068.56, 15,259.92 and 9,173.04

Step by Step Solution

1. Step 1: Write the proportion equation
   11,068.56 : 15,259.92 = 9,173.04 : x
2. Step 2: Convert to fraction form
   11,068.56/15,259.92 = 9,173.04/x
3. Step 3: Cross multiply
   11,068.56x = 15,259.92 × 9,173.04
4. Step 4: Simplify right side
   11,068.56x = 139,979,856.56
5. Step 5: Solve for x
   x = 139,979,856.56/11,068.56
6. Step 6: Final answer
   x = 12,646.62