Finding the Fourth Proportional to 9,799.91, 13,523.42 and 5,550.88

Step by Step Solution

1. Step 1: Write the proportion equation
   9,799.91 : 13,523.42 = 5,550.88 : x
2. Step 2: Convert to fraction form
   9,799.91/13,523.42 = 5,550.88/x
3. Step 3: Cross multiply
   9,799.91x = 13,523.42 × 5,550.88
4. Step 4: Simplify right side
   9,799.91x = 75,066,827.87
5. Step 5: Solve for x
   x = 75,066,827.87/9,799.91
6. Step 6: Final answer
   x = 7,659.95