Finding the Fourth Proportional to 9,842.30, 13,581.83 and 5,650.55

Step by Step Solution

1. Step 1: Write the proportion equation
   9,842.30 : 13,581.83 = 5,650.55 : x
2. Step 2: Convert to fraction form
   9,842.30/13,581.83 = 5,650.55/x
3. Step 3: Cross multiply
   9,842.30x = 13,581.83 × 5,650.55
4. Step 4: Simplify right side
   9,842.30x = 76,744,755.72
5. Step 5: Solve for x
   x = 76,744,755.72/9,842.30
6. Step 6: Final answer
   x = 7,797.45