Finding the Fourth Proportional to 8,018.86, 12,031.01 and 4,321.46

Step by Step Solution

1. Step 1: Write the proportion equation
   8,018.86 : 12,031.01 = 4,321.46 : x
2. Step 2: Convert to fraction form
   8,018.86/12,031.01 = 4,321.46/x
3. Step 3: Cross multiply
   8,018.86x = 12,031.01 × 4,321.46
4. Step 4: Simplify right side
   8,018.86x = 51,991,446.71
5. Step 5: Solve for x
   x = 51,991,446.71/8,018.86
6. Step 6: Final answer
   x = 6,483.65