Finding the Fourth Proportional to 10,266.16, 14,167.32 and 5,550.45

Step by Step Solution

1. Step 1: Write the proportion equation
   10,266.16 : 14,167.32 = 5,550.45 : x
2. Step 2: Convert to fraction form
   10,266.16/14,167.32 = 5,550.45/x
3. Step 3: Cross multiply
   10,266.16x = 14,167.32 × 5,550.45
4. Step 4: Simplify right side
   10,266.16x = 78,635,001.29
5. Step 5: Solve for x
   x = 78,635,001.29/10,266.16
6. Step 6: Final answer
   x = 7,659.63