Finding the Fourth Proportional to 1,515.90, 2,092.83 and 984.94

Step by Step Solution

1. Step 1: Write the proportion equation
   1,515.90 : 2,092.83 = 984.94 : x
2. Step 2: Convert to fraction form
   1,515.90/2,092.83 = 984.94/x
3. Step 3: Cross multiply
   1,515.90x = 2,092.83 × 984.94
4. Step 4: Simplify right side
   1,515.90x = 2,061,311.98
5. Step 5: Solve for x
   x = 2,061,311.98/1,515.90
6. Step 6: Final answer
   x = 1,359.79