Finding the Fourth Proportional to 30,453.30, 42,024.60 and 17,707.50

Step by Step Solution

1. Step 1: Write the proportion equation
   30,453.30 : 42,024.60 = 17,707.50 : x
2. Step 2: Convert to fraction form
   30,453.30/42,024.60 = 17,707.50/x
3. Step 3: Cross multiply
   30,453.30x = 42,024.60 × 17,707.50
4. Step 4: Simplify right side
   30,453.30x = 744,150,604.50
5. Step 5: Solve for x
   x = 744,150,604.50/30,453.30
6. Step 6: Final answer
   x = 24,435.80