Finding the Fourth Proportional to 8,012.30, 12,021.18 and 4,061.60

Step by Step Solution

1. Step 1: Write the proportion equation
   8,012.30 : 12,021.18 = 4,061.60 : x
2. Step 2: Convert to fraction form
   8,012.30/12,021.18 = 4,061.60/x
3. Step 3: Cross multiply
   8,012.30x = 12,021.18 × 4,061.60
4. Step 4: Simplify right side
   8,012.30x = 48,825,224.69
5. Step 5: Solve for x
   x = 48,825,224.69/8,012.30
6. Step 6: Final answer
   x = 6,093.78