Finding the Fourth Proportional to 12,360.31, 17,057.24 and 7,055.02

Step by Step Solution

1. Step 1: Write the proportion equation
   12,360.31 : 17,057.24 = 7,055.02 : x
2. Step 2: Convert to fraction form
   12,360.31/17,057.24 = 7,055.02/x
3. Step 3: Cross multiply
   12,360.31x = 17,057.24 × 7,055.02
4. Step 4: Simplify right side
   12,360.31x = 120,339,169.34
5. Step 5: Solve for x
   x = 120,339,169.34/12,360.31
6. Step 6: Final answer
   x = 9,735.93