Finding the Fourth Proportional to 12,464.74, 17,196.06 and 7,987.06

Step by Step Solution

1. Step 1: Write the proportion equation
   12,464.74 : 17,196.06 = 7,987.06 : x
2. Step 2: Convert to fraction form
   12,464.74/17,196.06 = 7,987.06/x
3. Step 3: Cross multiply
   12,464.74x = 17,196.06 × 7,987.06
4. Step 4: Simplify right side
   12,464.74x = 137,345,962.98
5. Step 5: Solve for x
   x = 137,345,962.98/12,464.74
6. Step 6: Final answer
   x = 11,018.76