Finding the Fourth Proportional to 1,557.32, 2,144.36 and 1,458.17

Step by Step Solution

1. Step 1: Write the proportion equation
   1,557.32 : 2,144.36 = 1,458.17 : x
2. Step 2: Convert to fraction form
   1,557.32/2,144.36 = 1,458.17/x
3. Step 3: Cross multiply
   1,557.32x = 2,144.36 × 1,458.17
4. Step 4: Simplify right side
   1,557.32x = 3,126,823.41
5. Step 5: Solve for x
   x = 3,126,823.41/1,557.32
6. Step 6: Final answer
   x = 2,007.82