Finding the Fourth Proportional to 1,166.00, 1,747.78 and 618.03

Step by Step Solution

1. Step 1: Write the proportion equation
   1,166.00 : 1,747.78 = 618.03 : x
2. Step 2: Convert to fraction form
   1,166.00/1,747.78 = 618.03/x
3. Step 3: Cross multiply
   1,166.00x = 1,747.78 × 618.03
4. Step 4: Simplify right side
   1,166.00x = 1,080,178.93
5. Step 5: Solve for x
   x = 1,080,178.93/1,166.00
6. Step 6: Final answer
   x = 926.40