Finding the Fourth Proportional to 9,853.59, 14,675.85 and 9,805.89

Step by Step Solution

1. Step 1: Write the proportion equation
   9,853.59 : 14,675.85 = 9,805.89 : x
2. Step 2: Convert to fraction form
   9,853.59/14,675.85 = 9,805.89/x
3. Step 3: Cross multiply
   9,853.59x = 14,675.85 × 9,805.89
4. Step 4: Simplify right side
   9,853.59x = 143,909,770.76
5. Step 5: Solve for x
   x = 143,909,770.76/9,853.59
6. Step 6: Final answer
   x = 14,604.81