Finding the Fourth Proportional to 1,521.42, 2,097.41 and 1,079.16

Step by Step Solution

1. Step 1: Write the proportion equation
   1,521.42 : 2,097.41 = 1,079.16 : x
2. Step 2: Convert to fraction form
   1,521.42/2,097.41 = 1,079.16/x
3. Step 3: Cross multiply
   1,521.42x = 2,097.41 × 1,079.16
4. Step 4: Simplify right side
   1,521.42x = 2,263,435.58
5. Step 5: Solve for x
   x = 2,263,435.58/1,521.42
6. Step 6: Final answer
   x = 1,487.71