Finding the Fourth Proportional to 9,009.98, 12,433.79 and 5,031.23

Step by Step Solution

1. Step 1: Write the proportion equation
   9,009.98 : 12,433.79 = 5,031.23 : x
2. Step 2: Convert to fraction form
   9,009.98/12,433.79 = 5,031.23/x
3. Step 3: Cross multiply
   9,009.98x = 12,433.79 × 5,031.23
4. Step 4: Simplify right side
   9,009.98x = 62,557,300.92
5. Step 5: Solve for x
   x = 62,557,300.92/9,009.98
6. Step 6: Final answer
   x = 6,943.12