Finding the Fourth Proportional to 10,278.48, 14,184.30 and 5,562.76

Step by Step Solution

1. Step 1: Write the proportion equation
   10,278.48 : 14,184.30 = 5,562.76 : x
2. Step 2: Convert to fraction form
   10,278.48/14,184.30 = 5,562.76/x
3. Step 3: Cross multiply
   10,278.48x = 14,184.30 × 5,562.76
4. Step 4: Simplify right side
   10,278.48x = 78,903,757.93
5. Step 5: Solve for x
   x = 78,903,757.93/10,278.48
6. Step 6: Final answer
   x = 7,676.60