Finding the Fourth Proportional to 10,273.02, 14,176.79 and 5,557.30

Step by Step Solution

1. Step 1: Write the proportion equation
   10,273.02 : 14,176.79 = 5,557.30 : x
2. Step 2: Convert to fraction form
   10,273.02/14,176.79 = 5,557.30/x
3. Step 3: Cross multiply
   10,273.02x = 14,176.79 × 5,557.30
4. Step 4: Simplify right side
   10,273.02x = 78,784,675.07
5. Step 5: Solve for x
   x = 78,784,675.07/10,273.02
6. Step 6: Final answer
   x = 7,669.09