Finding the Fourth Proportional to 9,850.50, 13,593.69 and 5,661.18

Step by Step Solution

1. Step 1: Write the proportion equation
   9,850.50 : 13,593.69 = 5,661.18 : x
2. Step 2: Convert to fraction form
   9,850.50/13,593.69 = 5,661.18/x
3. Step 3: Cross multiply
   9,850.50x = 13,593.69 × 5,661.18
4. Step 4: Simplify right side
   9,850.50x = 76,956,325.95
5. Step 5: Solve for x
   x = 76,956,325.95/9,850.50
6. Step 6: Final answer
   x = 7,812.43