Finding the Fourth Proportional to 10,275.16, 14,179.62 and 5,559.34

Step by Step Solution

1. Step 1: Write the proportion equation
   10,275.16 : 14,179.62 = 5,559.34 : x
2. Step 2: Convert to fraction form
   10,275.16/14,179.62 = 5,559.34/x
3. Step 3: Cross multiply
   10,275.16x = 14,179.62 × 5,559.34
4. Step 4: Simplify right side
   10,275.16x = 78,829,328.65
5. Step 5: Solve for x
   x = 78,829,328.65/10,275.16
6. Step 6: Final answer
   x = 7,671.83