Finding the Fourth Proportional to 12,465.83, 17,203.39 and 7,162.31

Step by Step Solution

1. Step 1: Write the proportion equation
   12,465.83 : 17,203.39 = 7,162.31 : x
2. Step 2: Convert to fraction form
   12,465.83/17,203.39 = 7,162.31/x
3. Step 3: Cross multiply
   12,465.83x = 17,203.39 × 7,162.31
4. Step 4: Simplify right side
   12,465.83x = 123,215,908.31
5. Step 5: Solve for x
   x = 123,215,908.31/12,465.83
6. Step 6: Final answer
   x = 9,884.30