Finding the Fourth Proportional to 30,832.71, 42,551.06 and 17,399.06

Step by Step Solution

1. Step 1: Write the proportion equation
   30,832.71 : 42,551.06 = 17,399.06 : x
2. Step 2: Convert to fraction form
   30,832.71/42,551.06 = 17,399.06/x
3. Step 3: Cross multiply
   30,832.71x = 42,551.06 × 17,399.06
4. Step 4: Simplify right side
   30,832.71x = 740,348,465.39
5. Step 5: Solve for x
   x = 740,348,465.39/30,832.71
6. Step 6: Final answer
   x = 24,011.79