Finding the Fourth Proportional to 10,273.35, 14,177.18 and 5,557.59

Step by Step Solution

1. Step 1: Write the proportion equation
   10,273.35 : 14,177.18 = 5,557.59 : x
2. Step 2: Convert to fraction form
   10,273.35/14,177.18 = 5,557.59/x
3. Step 3: Cross multiply
   10,273.35x = 14,177.18 × 5,557.59
4. Step 4: Simplify right side
   10,273.35x = 78,790,926.01
5. Step 5: Solve for x
   x = 78,790,926.01/10,273.35
6. Step 6: Final answer
   x = 7,669.45