Finding the Fourth Proportional to 5,828.34, 8,742.72 and 1,445.82

Step by Step Solution

1. Step 1: Write the proportion equation
   5,828.34 : 8,742.72 = 1,445.82 : x
2. Step 2: Convert to fraction form
   5,828.34/8,742.72 = 1,445.82/x
3. Step 3: Cross multiply
   5,828.34x = 8,742.72 × 1,445.82
4. Step 4: Simplify right side
   5,828.34x = 12,640,399.43
5. Step 5: Solve for x
   x = 12,640,399.43/5,828.34
6. Step 6: Final answer
   x = 2,168.78