Finding the Fourth Proportional to 17,798.42, 24,559.62 and 9,840.80

Step by Step Solution

1. Step 1: Write the proportion equation
   17,798.42 : 24,559.62 = 9,840.80 : x
2. Step 2: Convert to fraction form
   17,798.42/24,559.62 = 9,840.80/x
3. Step 3: Cross multiply
   17,798.42x = 24,559.62 × 9,840.80
4. Step 4: Simplify right side
   17,798.42x = 241,686,308.50
5. Step 5: Solve for x
   x = 241,686,308.50/17,798.42
6. Step 6: Final answer
   x = 13,579.09