Finding the Fourth Proportional to 2,001.98, 2,762.78 and 1,105.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,001.98 : 2,762.78 = 1,105.76 : x
2. Step 2: Convert to fraction form
   2,001.98/2,762.78 = 1,105.76/x
3. Step 3: Cross multiply
   2,001.98x = 2,762.78 × 1,105.76
4. Step 4: Simplify right side
   2,001.98x = 3,054,971.61
5. Step 5: Solve for x
   x = 3,054,971.61/2,001.98
6. Step 6: Final answer
   x = 1,525.98