Finding the Fourth Proportional to 31,064.81, 42,873.96 and 17,633.28

Step by Step Solution

1. Step 1: Write the proportion equation
   31,064.81 : 42,873.96 = 17,633.28 : x
2. Step 2: Convert to fraction form
   31,064.81/42,873.96 = 17,633.28/x
3. Step 3: Cross multiply
   31,064.81x = 42,873.96 × 17,633.28
4. Step 4: Simplify right side
   31,064.81x = 756,008,541.39
5. Step 5: Solve for x
   x = 756,008,541.39/31,064.81
6. Step 6: Final answer
   x = 24,336.50