Finding the Fourth Proportional to 10,254.45, 14,151.15 and 5,538.73

Step by Step Solution

1. Step 1: Write the proportion equation
   10,254.45 : 14,151.15 = 5,538.73 : x
2. Step 2: Convert to fraction form
   10,254.45/14,151.15 = 5,538.73/x
3. Step 3: Cross multiply
   10,254.45x = 14,151.15 × 5,538.73
4. Step 4: Simplify right side
   10,254.45x = 78,379,399.04
5. Step 5: Solve for x
   x = 78,379,399.04/10,254.45
6. Step 6: Final answer
   x = 7,643.45