Finding the Fourth Proportional to 10,275.09, 14,179.63 and 5,559.38

Step by Step Solution

1. Step 1: Write the proportion equation
   10,275.09 : 14,179.63 = 5,559.38 : x
2. Step 2: Convert to fraction form
   10,275.09/14,179.63 = 5,559.38/x
3. Step 3: Cross multiply
   10,275.09x = 14,179.63 × 5,559.38
4. Step 4: Simplify right side
   10,275.09x = 78,829,887.48
5. Step 5: Solve for x
   x = 78,829,887.48/10,275.09
6. Step 6: Final answer
   x = 7,671.94