Finding the Fourth Proportional to 12,360.48, 17,058.68 and 7,056.09

Step by Step Solution

1. Step 1: Write the proportion equation
   12,360.48 : 17,058.68 = 7,056.09 : x
2. Step 2: Convert to fraction form
   12,360.48/17,058.68 = 7,056.09/x
3. Step 3: Cross multiply
   12,360.48x = 17,058.68 × 7,056.09
4. Step 4: Simplify right side
   12,360.48x = 120,367,460.79
5. Step 5: Solve for x
   x = 120,367,460.79/12,360.48
6. Step 6: Final answer
   x = 9,738.09