Finding the Fourth Proportional to 30,651.48, 42,298.98 and 17,913.48

Step by Step Solution

1. Step 1: Write the proportion equation
   30,651.48 : 42,298.98 = 17,913.48 : x
2. Step 2: Convert to fraction form
   30,651.48/42,298.98 = 17,913.48/x
3. Step 3: Cross multiply
   30,651.48x = 42,298.98 × 17,913.48
4. Step 4: Simplify right side
   30,651.48x = 757,721,932.25
5. Step 5: Solve for x
   x = 757,721,932.25/30,651.48
6. Step 6: Final answer
   x = 24,720.57