Finding the Fourth Proportional to 1,142.03, 1,710.33 and 654.14

Step by Step Solution

1. Step 1: Write the proportion equation
   1,142.03 : 1,710.33 = 654.14 : x
2. Step 2: Convert to fraction form
   1,142.03/1,710.33 = 654.14/x
3. Step 3: Cross multiply
   1,142.03x = 1,710.33 × 654.14
4. Step 4: Simplify right side
   1,142.03x = 1,118,786.71
5. Step 5: Solve for x
   x = 1,118,786.71/1,142.03
6. Step 6: Final answer
   x = 979.65