Finding the Fourth Proportional to 12,450.08, 17,182.32 and 9,300.80

Step by Step Solution

1. Step 1: Write the proportion equation
   12,450.08 : 17,182.32 = 9,300.80 : x
2. Step 2: Convert to fraction form
   12,450.08/17,182.32 = 9,300.80/x
3. Step 3: Cross multiply
   12,450.08x = 17,182.32 × 9,300.80
4. Step 4: Simplify right side
   12,450.08x = 159,809,321.86
5. Step 5: Solve for x
   x = 159,809,321.86/12,450.08
6. Step 6: Final answer
   x = 12,836.01