Finding the Fourth Proportional to 10,454.72, 14,427.20 and 5,674.44

Step by Step Solution

1. Step 1: Write the proportion equation
   10,454.72 : 14,427.20 = 5,674.44 : x
2. Step 2: Convert to fraction form
   10,454.72/14,427.20 = 5,674.44/x
3. Step 3: Cross multiply
   10,454.72x = 14,427.20 × 5,674.44
4. Step 4: Simplify right side
   10,454.72x = 81,866,280.77
5. Step 5: Solve for x
   x = 81,866,280.77/10,454.72
6. Step 6: Final answer
   x = 7,830.56