Finding the Fourth Proportional to 1,357.54, 1,872.55 and 1,042.32

Step by Step Solution

1. Step 1: Write the proportion equation
   1,357.54 : 1,872.55 = 1,042.32 : x
2. Step 2: Convert to fraction form
   1,357.54/1,872.55 = 1,042.32/x
3. Step 3: Cross multiply
   1,357.54x = 1,872.55 × 1,042.32
4. Step 4: Simplify right side
   1,357.54x = 1,951,788.24
5. Step 5: Solve for x
   x = 1,951,788.24/1,357.54
6. Step 6: Final answer
   x = 1,437.74