Finding the Fourth Proportional to 9,009.88, 12,433.50 and 5,031.05

Step by Step Solution

1. Step 1: Write the proportion equation
   9,009.88 : 12,433.50 = 5,031.05 : x
2. Step 2: Convert to fraction form
   9,009.88/12,433.50 = 5,031.05/x
3. Step 3: Cross multiply
   9,009.88x = 12,433.50 × 5,031.05
4. Step 4: Simplify right side
   9,009.88x = 62,553,498.01
5. Step 5: Solve for x
   x = 62,553,498.01/9,009.88
6. Step 6: Final answer
   x = 6,942.77