Finding the Fourth Proportional to 30,956.79, 42,719.92 and 17,527.69

Step by Step Solution

1. Step 1: Write the proportion equation
   30,956.79 : 42,719.92 = 17,527.69 : x
2. Step 2: Convert to fraction form
   30,956.79/42,719.92 = 17,527.69/x
3. Step 3: Cross multiply
   30,956.79x = 42,719.92 × 17,527.69
4. Step 4: Simplify right side
   30,956.79x = 748,781,514.58
5. Step 5: Solve for x
   x = 748,781,514.58/30,956.79
6. Step 6: Final answer
   x = 24,187.96