Finding the Fourth Proportional to 17,936.32, 24,751.28 and 9,978.48

Step by Step Solution

1. Step 1: Write the proportion equation
   17,936.32 : 24,751.28 = 9,978.48 : x
2. Step 2: Convert to fraction form
   17,936.32/24,751.28 = 9,978.48/x
3. Step 3: Cross multiply
   17,936.32x = 24,751.28 × 9,978.48
4. Step 4: Simplify right side
   17,936.32x = 246,980,152.45
5. Step 5: Solve for x
   x = 246,980,152.45/17,936.32
6. Step 6: Final answer
   x = 13,769.83