Finding the Fourth Proportional to 10,270.51, 14,173.29 and 5,554.78

Step by Step Solution

1. Step 1: Write the proportion equation
   10,270.51 : 14,173.29 = 5,554.78 : x
2. Step 2: Convert to fraction form
   10,270.51/14,173.29 = 5,554.78/x
3. Step 3: Cross multiply
   10,270.51x = 14,173.29 × 5,554.78
4. Step 4: Simplify right side
   10,270.51x = 78,729,472.39
5. Step 5: Solve for x
   x = 78,729,472.39/10,270.51
6. Step 6: Final answer
   x = 7,665.59