Finding the Fourth Proportional to 1,227.52, 1,694.82 and 785.98

Step by Step Solution

1. Step 1: Write the proportion equation
   1,227.52 : 1,694.82 = 785.98 : x
2. Step 2: Convert to fraction form
   1,227.52/1,694.82 = 785.98/x
3. Step 3: Cross multiply
   1,227.52x = 1,694.82 × 785.98
4. Step 4: Simplify right side
   1,227.52x = 1,332,094.62
5. Step 5: Solve for x
   x = 1,332,094.62/1,227.52
6. Step 6: Final answer
   x = 1,085.19