Finding the Fourth Proportional to 9,807.89, 14,707.21 and 3,563.49

Step by Step Solution

1. Step 1: Write the proportion equation
   9,807.89 : 14,707.21 = 3,563.49 : x
2. Step 2: Convert to fraction form
   9,807.89/14,707.21 = 3,563.49/x
3. Step 3: Cross multiply
   9,807.89x = 14,707.21 × 3,563.49
4. Step 4: Simplify right side
   9,807.89x = 52,408,995.76
5. Step 5: Solve for x
   x = 52,408,995.76/9,807.89
6. Step 6: Final answer
   x = 5,343.55