Finding the Fourth Proportional to 30,775.50, 42,470.19 and 17,527.50

Step by Step Solution

1. Step 1: Write the proportion equation
   30,775.50 : 42,470.19 = 17,527.50 : x
2. Step 2: Convert to fraction form
   30,775.50/42,470.19 = 17,527.50/x
3. Step 3: Cross multiply
   30,775.50x = 42,470.19 × 17,527.50
4. Step 4: Simplify right side
   30,775.50x = 744,396,255.23
5. Step 5: Solve for x
   x = 744,396,255.23/30,775.50
6. Step 6: Final answer
   x = 24,187.95