Finding the Fourth Proportional to 10,266.63, 14,167.99 and 5,550.95

Step by Step Solution

1. Step 1: Write the proportion equation
   10,266.63 : 14,167.99 = 5,550.95 : x
2. Step 2: Convert to fraction form
   10,266.63/14,167.99 = 5,550.95/x
3. Step 3: Cross multiply
   10,266.63x = 14,167.99 × 5,550.95
4. Step 4: Simplify right side
   10,266.63x = 78,645,719.37
5. Step 5: Solve for x
   x = 78,645,719.37/10,266.63
6. Step 6: Final answer
   x = 7,660.32