Finding the Fourth Proportional to 10,275.69, 14,180.44 and 5,559.98

Step by Step Solution

1. Step 1: Write the proportion equation
   10,275.69 : 14,180.44 = 5,559.98 : x
2. Step 2: Convert to fraction form
   10,275.69/14,180.44 = 5,559.98/x
3. Step 3: Cross multiply
   10,275.69x = 14,180.44 × 5,559.98
4. Step 4: Simplify right side
   10,275.69x = 78,842,962.79
5. Step 5: Solve for x
   x = 78,842,962.79/10,275.69
6. Step 6: Final answer
   x = 7,672.77