Finding the Fourth Proportional to 10,275.35, 14,179.97 and 5,559.62

Step by Step Solution

1. Step 1: Write the proportion equation
   10,275.35 : 14,179.97 = 5,559.62 : x
2. Step 2: Convert to fraction form
   10,275.35/14,179.97 = 5,559.62/x
3. Step 3: Cross multiply
   10,275.35x = 14,179.97 × 5,559.62
4. Step 4: Simplify right side
   10,275.35x = 78,835,187.81
5. Step 5: Solve for x
   x = 78,835,187.81/10,275.35
6. Step 6: Final answer
   x = 7,672.27