Finding the Fourth Proportional to 30,959.32, 42,724.37 and 17,530.22

Step by Step Solution

1. Step 1: Write the proportion equation
   30,959.32 : 42,724.37 = 17,530.22 : x
2. Step 2: Convert to fraction form
   30,959.32/42,724.37 = 17,530.22/x
3. Step 3: Cross multiply
   30,959.32x = 42,724.37 × 17,530.22
4. Step 4: Simplify right side
   30,959.32x = 748,967,605.46
5. Step 5: Solve for x
   x = 748,967,605.46/30,959.32
6. Step 6: Final answer
   x = 24,191.99