Finding the Fourth Proportional to 12,456.02, 17,188.98 and 6,790.88

Step by Step Solution

1. Step 1: Write the proportion equation
   12,456.02 : 17,188.98 = 6,790.88 : x
2. Step 2: Convert to fraction form
   12,456.02/17,188.98 = 6,790.88/x
3. Step 3: Cross multiply
   12,456.02x = 17,188.98 × 6,790.88
4. Step 4: Simplify right side
   12,456.02x = 116,728,300.50
5. Step 5: Solve for x
   x = 116,728,300.50/12,456.02
6. Step 6: Final answer
   x = 9,371.24