Finding the Fourth Proportional to 2,061.74, 3,091.83 and 745.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,061.74 : 3,091.83 = 745.15 : x
2. Step 2: Convert to fraction form
   2,061.74/3,091.83 = 745.15/x
3. Step 3: Cross multiply
   2,061.74x = 3,091.83 × 745.15
4. Step 4: Simplify right side
   2,061.74x = 2,303,861.67
5. Step 5: Solve for x
   x = 2,303,861.67/2,061.74
6. Step 6: Final answer
   x = 1,117.44