Finding the Fourth Proportional to 1,174.67, 1,760.83 and 654.91

Step by Step Solution

1. Step 1: Write the proportion equation
   1,174.67 : 1,760.83 = 654.91 : x
2. Step 2: Convert to fraction form
   1,174.67/1,760.83 = 654.91/x
3. Step 3: Cross multiply
   1,174.67x = 1,760.83 × 654.91
4. Step 4: Simplify right side
   1,174.67x = 1,153,185.18
5. Step 5: Solve for x
   x = 1,153,185.18/1,174.67
6. Step 6: Final answer
   x = 981.71