Finding the Fourth Proportional to 1,142.82, 1,705.23 and 1,073.16

Step by Step Solution

1. Step 1: Write the proportion equation
   1,142.82 : 1,705.23 = 1,073.16 : x
2. Step 2: Convert to fraction form
   1,142.82/1,705.23 = 1,073.16/x
3. Step 3: Cross multiply
   1,142.82x = 1,705.23 × 1,073.16
4. Step 4: Simplify right side
   1,142.82x = 1,829,984.63
5. Step 5: Solve for x
   x = 1,829,984.63/1,142.82
6. Step 6: Final answer
   x = 1,601.29