Finding the Fourth Proportional to 17,936.70, 24,752.56 and 9,978.46

Step by Step Solution

1. Step 1: Write the proportion equation
   17,936.70 : 24,752.56 = 9,978.46 : x
2. Step 2: Convert to fraction form
   17,936.70/24,752.56 = 9,978.46/x
3. Step 3: Cross multiply
   17,936.70x = 24,752.56 × 9,978.46
4. Step 4: Simplify right side
   17,936.70x = 246,992,429.86
5. Step 5: Solve for x
   x = 246,992,429.86/17,936.70
6. Step 6: Final answer
   x = 13,770.23