Finding the Fourth Proportional to 17,936.04, 24,751.74 and 9,978.09

Step by Step Solution

1. Step 1: Write the proportion equation
   17,936.04 : 24,751.74 = 9,978.09 : x
2. Step 2: Convert to fraction form
   17,936.04/24,751.74 = 9,978.09/x
3. Step 3: Cross multiply
   17,936.04x = 24,751.74 × 9,978.09
4. Step 4: Simplify right side
   17,936.04x = 246,975,089.38
5. Step 5: Solve for x
   x = 246,975,089.38/17,936.04
6. Step 6: Final answer
   x = 13,769.77