Finding the Fourth Proportional to 30,958.79, 42,722.69 and 17,529.69

Step by Step Solution

1. Step 1: Write the proportion equation
   30,958.79 : 42,722.69 = 17,529.69 : x
2. Step 2: Convert to fraction form
   30,958.79/42,722.69 = 17,529.69/x
3. Step 3: Cross multiply
   30,958.79x = 42,722.69 × 17,529.69
4. Step 4: Simplify right side
   30,958.79x = 748,915,424.02
5. Step 5: Solve for x
   x = 748,915,424.02/30,958.79
6. Step 6: Final answer
   x = 24,190.72