Finding the Fourth Proportional to 1,181.67, 1,760.93 and 1,142.49

Step by Step Solution

1. Step 1: Write the proportion equation
   1,181.67 : 1,760.93 = 1,142.49 : x
2. Step 2: Convert to fraction form
   1,181.67/1,760.93 = 1,142.49/x
3. Step 3: Cross multiply
   1,181.67x = 1,760.93 × 1,142.49
4. Step 4: Simplify right side
   1,181.67x = 2,011,839.20
5. Step 5: Solve for x
   x = 2,011,839.20/1,181.67
6. Step 6: Final answer
   x = 1,702.54