Finding the Fourth Proportional to 12,360.50, 17,054.89 and 7,055.18

Step by Step Solution

1. Step 1: Write the proportion equation
   12,360.50 : 17,054.89 = 7,055.18 : x
2. Step 2: Convert to fraction form
   12,360.50/17,054.89 = 7,055.18/x
3. Step 3: Cross multiply
   12,360.50x = 17,054.89 × 7,055.18
4. Step 4: Simplify right side
   12,360.50x = 120,325,215.92
5. Step 5: Solve for x
   x = 120,325,215.92/12,360.50
6. Step 6: Final answer
   x = 9,734.66