Finding the Fourth Proportional to 16,559.84, 22,844.54 and 9,840.71

Step by Step Solution

1. Step 1: Write the proportion equation
   16,559.84 : 22,844.54 = 9,840.71 : x
2. Step 2: Convert to fraction form
   16,559.84/22,844.54 = 9,840.71/x
3. Step 3: Cross multiply
   16,559.84x = 22,844.54 × 9,840.71
4. Step 4: Simplify right side
   16,559.84x = 224,806,493.22
5. Step 5: Solve for x
   x = 224,806,493.22/16,559.84
6. Step 6: Final answer
   x = 13,575.40