Finding the Fourth Proportional to 30,986.63, 42,763.31 and 17,562.23

Step by Step Solution

1. Step 1: Write the proportion equation
   30,986.63 : 42,763.31 = 17,562.23 : x
2. Step 2: Convert to fraction form
   30,986.63/42,763.31 = 17,562.23/x
3. Step 3: Cross multiply
   30,986.63x = 42,763.31 × 17,562.23
4. Step 4: Simplify right side
   30,986.63x = 751,019,010.37
5. Step 5: Solve for x
   x = 751,019,010.37/30,986.63
6. Step 6: Final answer
   x = 24,236.87