Finding the Fourth Proportional to 10,454.51, 14,427.18 and 5,674.48

Step by Step Solution

1. Step 1: Write the proportion equation
   10,454.51 : 14,427.18 = 5,674.48 : x
2. Step 2: Convert to fraction form
   10,454.51/14,427.18 = 5,674.48/x
3. Step 3: Cross multiply
   10,454.51x = 14,427.18 × 5,674.48
4. Step 4: Simplify right side
   10,454.51x = 81,866,708.30
5. Step 5: Solve for x
   x = 81,866,708.30/10,454.51
6. Step 6: Final answer
   x = 7,830.75