Finding the Fourth Proportional to 12,012.56, 18,014.20 and 5,768.60

Step by Step Solution

1. Step 1: Write the proportion equation
   12,012.56 : 18,014.20 = 5,768.60 : x
2. Step 2: Convert to fraction form
   12,012.56/18,014.20 = 5,768.60/x
3. Step 3: Cross multiply
   12,012.56x = 18,014.20 × 5,768.60
4. Step 4: Simplify right side
   12,012.56x = 103,916,714.12
5. Step 5: Solve for x
   x = 103,916,714.12/12,012.56
6. Step 6: Final answer
   x = 8,650.67