Finding the Fourth Proportional to 9,805.86, 14,704.17 and 3,561.45

Step by Step Solution

1. Step 1: Write the proportion equation
   9,805.86 : 14,704.17 = 3,561.45 : x
2. Step 2: Convert to fraction form
   9,805.86/14,704.17 = 3,561.45/x
3. Step 3: Cross multiply
   9,805.86x = 14,704.17 × 3,561.45
4. Step 4: Simplify right side
   9,805.86x = 52,368,166.25
5. Step 5: Solve for x
   x = 52,368,166.25/9,805.86
6. Step 6: Final answer
   x = 5,340.50