Finding the Fourth Proportional to 10,275.14, 14,179.70 and 5,559.42

Step by Step Solution

1. Step 1: Write the proportion equation
   10,275.14 : 14,179.70 = 5,559.42 : x
2. Step 2: Convert to fraction form
   10,275.14/14,179.70 = 5,559.42/x
3. Step 3: Cross multiply
   10,275.14x = 14,179.70 × 5,559.42
4. Step 4: Simplify right side
   10,275.14x = 78,830,907.77
5. Step 5: Solve for x
   x = 78,830,907.77/10,275.14
6. Step 6: Final answer
   x = 7,672.00