Finding the Fourth Proportional to 10,265.89, 14,166.95 and 5,550.17

Step by Step Solution

1. Step 1: Write the proportion equation
   10,265.89 : 14,166.95 = 5,550.17 : x
2. Step 2: Convert to fraction form
   10,265.89/14,166.95 = 5,550.17/x
3. Step 3: Cross multiply
   10,265.89x = 14,166.95 × 5,550.17
4. Step 4: Simplify right side
   10,265.89x = 78,628,980.88
5. Step 5: Solve for x
   x = 78,628,980.88/10,265.89
6. Step 6: Final answer
   x = 7,659.25