Finding the Fourth Proportional to 1,602.82, 2,209.89 and 1,042.48

Step by Step Solution

1. Step 1: Write the proportion equation
   1,602.82 : 2,209.89 = 1,042.48 : x
2. Step 2: Convert to fraction form
   1,602.82/2,209.89 = 1,042.48/x
3. Step 3: Cross multiply
   1,602.82x = 2,209.89 × 1,042.48
4. Step 4: Simplify right side
   1,602.82x = 2,303,766.13
5. Step 5: Solve for x
   x = 2,303,766.13/1,602.82
6. Step 6: Final answer
   x = 1,437.32