Finding the Fourth Proportional to 1,521.42, 2,095.92 and 1,447.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,521.42 : 2,095.92 = 1,447.31 : x
2. Step 2: Convert to fraction form
   1,521.42/2,095.92 = 1,447.31/x
3. Step 3: Cross multiply
   1,521.42x = 2,095.92 × 1,447.31
4. Step 4: Simplify right side
   1,521.42x = 3,033,435.50
5. Step 5: Solve for x
   x = 3,033,435.50/1,521.42
6. Step 6: Final answer
   x = 1,993.82