Finding the Fourth Proportional to 1,990.43, 2,746.83 and 1,094.21

Step by Step Solution

1. Step 1: Write the proportion equation
   1,990.43 : 2,746.83 = 1,094.21 : x
2. Step 2: Convert to fraction form
   1,990.43/2,746.83 = 1,094.21/x
3. Step 3: Cross multiply
   1,990.43x = 2,746.83 × 1,094.21
4. Step 4: Simplify right side
   1,990.43x = 3,005,608.85
5. Step 5: Solve for x
   x = 3,005,608.85/1,990.43
6. Step 6: Final answer
   x = 1,510.03