Finding the Fourth Proportional to 12,462.86, 17,206.43 and 9,272.48

Step by Step Solution

1. Step 1: Write the proportion equation
   12,462.86 : 17,206.43 = 9,272.48 : x
2. Step 2: Convert to fraction form
   12,462.86/17,206.43 = 9,272.48/x
3. Step 3: Cross multiply
   12,462.86x = 17,206.43 × 9,272.48
4. Step 4: Simplify right side
   12,462.86x = 159,546,145.65
5. Step 5: Solve for x
   x = 159,546,145.65/12,462.86
6. Step 6: Final answer
   x = 12,801.73