Finding the Fourth Proportional to 12,012.66, 18,022.86 and 4,996.08

Step by Step Solution

1. Step 1: Write the proportion equation
   12,012.66 : 18,022.86 = 4,996.08 : x
2. Step 2: Convert to fraction form
   12,012.66/18,022.86 = 4,996.08/x
3. Step 3: Cross multiply
   12,012.66x = 18,022.86 × 4,996.08
4. Step 4: Simplify right side
   12,012.66x = 90,043,650.39
5. Step 5: Solve for x
   x = 90,043,650.39/12,012.66
6. Step 6: Final answer
   x = 7,495.73