Finding the Fourth Proportional to 12,031.98, 18,031.56 and 7,353.63

Step by Step Solution

1. Step 1: Write the proportion equation
   12,031.98 : 18,031.56 = 7,353.63 : x
2. Step 2: Convert to fraction form
   12,031.98/18,031.56 = 7,353.63/x
3. Step 3: Cross multiply
   12,031.98x = 18,031.56 × 7,353.63
4. Step 4: Simplify right side
   12,031.98x = 132,597,420.56
5. Step 5: Solve for x
   x = 132,597,420.56/12,031.98
6. Step 6: Final answer
   x = 11,020.42