Finding the Fourth Proportional to 12,012.08, 16,556.82 and 8,031.74

Step by Step Solution

1. Step 1: Write the proportion equation
   12,012.08 : 16,556.82 = 8,031.74 : x
2. Step 2: Convert to fraction form
   12,012.08/16,556.82 = 8,031.74/x
3. Step 3: Cross multiply
   12,012.08x = 16,556.82 × 8,031.74
4. Step 4: Simplify right side
   12,012.08x = 132,980,073.47
5. Step 5: Solve for x
   x = 132,980,073.47/12,012.08
6. Step 6: Final answer
   x = 11,070.53