Finding the Fourth Proportional to 10,278.30, 14,184.04 and 5,562.57

Step by Step Solution

1. Step 1: Write the proportion equation
   10,278.30 : 14,184.04 = 5,562.57 : x
2. Step 2: Convert to fraction form
   10,278.30/14,184.04 = 5,562.57/x
3. Step 3: Cross multiply
   10,278.30x = 14,184.04 × 5,562.57
4. Step 4: Simplify right side
   10,278.30x = 78,899,687.57
5. Step 5: Solve for x
   x = 78,899,687.57/10,278.30
6. Step 6: Final answer
   x = 7,676.34