Finding the Fourth Proportional to 1,990.96, 2,747.50 and 1,106.74

Step by Step Solution

1. Step 1: Write the proportion equation
   1,990.96 : 2,747.50 = 1,106.74 : x
2. Step 2: Convert to fraction form
   1,990.96/2,747.50 = 1,106.74/x
3. Step 3: Cross multiply
   1,990.96x = 2,747.50 × 1,106.74
4. Step 4: Simplify right side
   1,990.96x = 3,040,768.15
5. Step 5: Solve for x
   x = 3,040,768.15/1,990.96
6. Step 6: Final answer
   x = 1,527.29