Finding the Fourth Proportional to 42,983.33, 64,462.50 and 18,022.68

Step by Step Solution

1. Step 1: Write the proportion equation
   42,983.33 : 64,462.50 = 18,022.68 : x
2. Step 2: Convert to fraction form
   42,983.33/64,462.50 = 18,022.68/x
3. Step 3: Cross multiply
   42,983.33x = 64,462.50 × 18,022.68
4. Step 4: Simplify right side
   42,983.33x = 1,161,787,009.50
5. Step 5: Solve for x
   x = 1,161,787,009.50/42,983.33
6. Step 6: Final answer
   x = 27,028.78