Finding the Fourth Proportional to 10,275.04, 14,179.62 and 5,559.31

Step by Step Solution

1. Step 1: Write the proportion equation
   10,275.04 : 14,179.62 = 5,559.31 : x
2. Step 2: Convert to fraction form
   10,275.04/14,179.62 = 5,559.31/x
3. Step 3: Cross multiply
   10,275.04x = 14,179.62 × 5,559.31
4. Step 4: Simplify right side
   10,275.04x = 78,828,903.26
5. Step 5: Solve for x
   x = 78,828,903.26/10,275.04
6. Step 6: Final answer
   x = 7,671.88