Finding the Fourth Proportional to 31,866.48, 43,977.28 and 17,719

Step by Step Solution

1. Step 1: Write the proportion equation
   31,866.48 : 43,977.28 = 17,719 : x
2. Step 2: Convert to fraction form
   31,866.48/43,977.28 = 17,719/x
3. Step 3: Cross multiply
   31,866.48x = 43,977.28 × 17,719
4. Step 4: Simplify right side
   31,866.48x = 779,233,424.32
5. Step 5: Solve for x
   x = 779,233,424.32/31,866.48
6. Step 6: Final answer
   x = 24,453.07