Finding the Fourth Proportional to 12,327.03, 17,005.20 and 7,288.80

Step by Step Solution

1. Step 1: Write the proportion equation
   12,327.03 : 17,005.20 = 7,288.80 : x
2. Step 2: Convert to fraction form
   12,327.03/17,005.20 = 7,288.80/x
3. Step 3: Cross multiply
   12,327.03x = 17,005.20 × 7,288.80
4. Step 4: Simplify right side
   12,327.03x = 123,947,501.76
5. Step 5: Solve for x
   x = 123,947,501.76/12,327.03
6. Step 6: Final answer
   x = 10,054.94