Finding the Fourth Proportional to 9,223.62, 12,729.04 and 5,031.88

Step by Step Solution

1. Step 1: Write the proportion equation
   9,223.62 : 12,729.04 = 5,031.88 : x
2. Step 2: Convert to fraction form
   9,223.62/12,729.04 = 5,031.88/x
3. Step 3: Cross multiply
   9,223.62x = 12,729.04 × 5,031.88
4. Step 4: Simplify right side
   9,223.62x = 64,051,001.80
5. Step 5: Solve for x
   x = 64,051,001.80/9,223.62
6. Step 6: Final answer
   x = 6,944.24