Finding the Fourth Proportional to 11,499.56, 17,327.56 and 9,465.20

Step by Step Solution

1. Step 1: Write the proportion equation
   11,499.56 : 17,327.56 = 9,465.20 : x
2. Step 2: Convert to fraction form
   11,499.56/17,327.56 = 9,465.20/x
3. Step 3: Cross multiply
   11,499.56x = 17,327.56 × 9,465.20
4. Step 4: Simplify right side
   11,499.56x = 164,008,820.91
5. Step 5: Solve for x
   x = 164,008,820.91/11,499.56
6. Step 6: Final answer
   x = 14,262.18