Finding the Fourth Proportional to 14,649.02, 21,936.00 and 10,139.83

Step by Step Solution

1. Step 1: Write the proportion equation
   14,649.02 : 21,936.00 = 10,139.83 : x
2. Step 2: Convert to fraction form
   14,649.02/21,936.00 = 10,139.83/x
3. Step 3: Cross multiply
   14,649.02x = 21,936.00 × 10,139.83
4. Step 4: Simplify right side
   14,649.02x = 222,427,200.22
5. Step 5: Solve for x
   x = 222,427,200.22/14,649.02
6. Step 6: Final answer
   x = 15,183.76