Finding the Fourth Proportional to 1,192.25, 1,789.59 and 845.98

Step by Step Solution

1. Step 1: Write the proportion equation
   1,192.25 : 1,789.59 = 845.98 : x
2. Step 2: Convert to fraction form
   1,192.25/1,789.59 = 845.98/x
3. Step 3: Cross multiply
   1,192.25x = 1,789.59 × 845.98
4. Step 4: Simplify right side
   1,192.25x = 1,513,956.05
5. Step 5: Solve for x
   x = 1,513,956.05/1,192.25
6. Step 6: Final answer
   x = 1,269.83