Finding the Fourth Proportional to 2,092.80, 2,887.95 and 1,253.00

Step by Step Solution

1. Step 1: Write the proportion equation
   2,092.80 : 2,887.95 = 1,253.00 : x
2. Step 2: Convert to fraction form
   2,092.80/2,887.95 = 1,253.00/x
3. Step 3: Cross multiply
   2,092.80x = 2,887.95 × 1,253.00
4. Step 4: Simplify right side
   2,092.80x = 3,618,613.27
5. Step 5: Solve for x
   x = 3,618,613.27/2,092.80
6. Step 6: Final answer
   x = 1,729.07