Finding the Fourth Proportional to 10,026.81, 13,836.69 and 5,550.55

Step by Step Solution

1. Step 1: Write the proportion equation
   10,026.81 : 13,836.69 = 5,550.55 : x
2. Step 2: Convert to fraction form
   10,026.81/13,836.69 = 5,550.55/x
3. Step 3: Cross multiply
   10,026.81x = 13,836.69 × 5,550.55
4. Step 4: Simplify right side
   10,026.81x = 76,801,205.09
5. Step 5: Solve for x
   x = 76,801,205.09/10,026.81
6. Step 6: Final answer
   x = 7,659.59