Finding the Fourth Proportional to 10,275.19, 14,179.77 and 5,559.46

Step by Step Solution

1. Step 1: Write the proportion equation
   10,275.19 : 14,179.77 = 5,559.46 : x
2. Step 2: Convert to fraction form
   10,275.19/14,179.77 = 5,559.46/x
3. Step 3: Cross multiply
   10,275.19x = 14,179.77 × 5,559.46
4. Step 4: Simplify right side
   10,275.19x = 78,831,864.12
5. Step 5: Solve for x
   x = 78,831,864.12/10,275.19
6. Step 6: Final answer
   x = 7,672.06