Finding the Fourth Proportional to 10,273.47, 14,177.38 and 5,557.74

Step by Step Solution

1. Step 1: Write the proportion equation
   10,273.47 : 14,177.38 = 5,557.74 : x
2. Step 2: Convert to fraction form
   10,273.47/14,177.38 = 5,557.74/x
3. Step 3: Cross multiply
   10,273.47x = 14,177.38 × 5,557.74
4. Step 4: Simplify right side
   10,273.47x = 78,794,191.92
5. Step 5: Solve for x
   x = 78,794,191.92/10,273.47
6. Step 6: Final answer
   x = 7,669.68