Finding the Fourth Proportional to 10,266.35, 14,167.58 and 5,550.63

Step by Step Solution

1. Step 1: Write the proportion equation
   10,266.35 : 14,167.58 = 5,550.63 : x
2. Step 2: Convert to fraction form
   10,266.35/14,167.58 = 5,550.63/x
3. Step 3: Cross multiply
   10,266.35x = 14,167.58 × 5,550.63
4. Step 4: Simplify right side
   10,266.35x = 78,638,966.82
5. Step 5: Solve for x
   x = 78,638,966.82/10,266.35
6. Step 6: Final answer
   x = 7,659.88