Finding the Fourth Proportional to 1,705.37, 2,353.32 and 1,042.29

Step by Step Solution

1. Step 1: Write the proportion equation
   1,705.37 : 2,353.32 = 1,042.29 : x
2. Step 2: Convert to fraction form
   1,705.37/2,353.32 = 1,042.29/x
3. Step 3: Cross multiply
   1,705.37x = 2,353.32 × 1,042.29
4. Step 4: Simplify right side
   1,705.37x = 2,452,841.90
5. Step 5: Solve for x
   x = 2,452,841.90/1,705.37
6. Step 6: Final answer
   x = 1,438.31