Finding the Fourth Proportional to 12,272.39, 16,935.42 and 7,500.31

Step by Step Solution

1. Step 1: Write the proportion equation
   12,272.39 : 16,935.42 = 7,500.31 : x
2. Step 2: Convert to fraction form
   12,272.39/16,935.42 = 7,500.31/x
3. Step 3: Cross multiply
   12,272.39x = 16,935.42 × 7,500.31
4. Step 4: Simplify right side
   12,272.39x = 127,020,857.64
5. Step 5: Solve for x
   x = 127,020,857.64/12,272.39
6. Step 6: Final answer
   x = 10,350.14