Finding the Fourth Proportional to 12,464.19, 17,196.44 and 7,155.27

Step by Step Solution

1. Step 1: Write the proportion equation
   12,464.19 : 17,196.44 = 7,155.27 : x
2. Step 2: Convert to fraction form
   12,464.19/17,196.44 = 7,155.27/x
3. Step 3: Cross multiply
   12,464.19x = 17,196.44 × 7,155.27
4. Step 4: Simplify right side
   12,464.19x = 123,045,135.46
5. Step 5: Solve for x
   x = 123,045,135.46/12,464.19
6. Step 6: Final answer
   x = 9,871.89