Finding the Fourth Proportional to 17,798.82, 24,561.39 and 9,840.57

Step by Step Solution

1. Step 1: Write the proportion equation
   17,798.82 : 24,561.39 = 9,840.57 : x
2. Step 2: Convert to fraction form
   17,798.82/24,561.39 = 9,840.57/x
3. Step 3: Cross multiply
   17,798.82x = 24,561.39 × 9,840.57
4. Step 4: Simplify right side
   17,798.82x = 241,698,077.59
5. Step 5: Solve for x
   x = 241,698,077.59/17,798.82
6. Step 6: Final answer
   x = 13,579.44