Finding the Fourth Proportional to 12,464.24, 17,199.86 and 7,155.32

Step by Step Solution

1. Step 1: Write the proportion equation
   12,464.24 : 17,199.86 = 7,155.32 : x
2. Step 2: Convert to fraction form
   12,464.24/17,199.86 = 7,155.32/x
3. Step 3: Cross multiply
   12,464.24x = 17,199.86 × 7,155.32
4. Step 4: Simplify right side
   12,464.24x = 123,070,502.26
5. Step 5: Solve for x
   x = 123,070,502.26/12,464.24
6. Step 6: Final answer
   x = 9,873.89