Finding the Fourth Proportional to 1,131.00, 1,696.98 and 610.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,131.00 : 1,696.98 = 610.89 : x
2. Step 2: Convert to fraction form
   1,131.00/1,696.98 = 610.89/x
3. Step 3: Cross multiply
   1,131.00x = 1,696.98 × 610.89
4. Step 4: Simplify right side
   1,131.00x = 1,036,668.11
5. Step 5: Solve for x
   x = 1,036,668.11/1,131.00
6. Step 6: Final answer
   x = 916.60