Finding the Fourth Proportional to 5,433.78, 8,150.42 and 1,485.02

Step by Step Solution

1. Step 1: Write the proportion equation
   5,433.78 : 8,150.42 = 1,485.02 : x
2. Step 2: Convert to fraction form
   5,433.78/8,150.42 = 1,485.02/x
3. Step 3: Cross multiply
   5,433.78x = 8,150.42 × 1,485.02
4. Step 4: Simplify right side
   5,433.78x = 12,103,536.71
5. Step 5: Solve for x
   x = 12,103,536.71/5,433.78
6. Step 6: Final answer
   x = 2,227.46