Finding the Fourth Proportional to 1,294.98, 1,786.42 and 852.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,294.98 : 1,786.42 = 852.31 : x
2. Step 2: Convert to fraction form
   1,294.98/1,786.42 = 852.31/x
3. Step 3: Cross multiply
   1,294.98x = 1,786.42 × 852.31
4. Step 4: Simplify right side
   1,294.98x = 1,522,583.63
5. Step 5: Solve for x
   x = 1,522,583.63/1,294.98
6. Step 6: Final answer
   x = 1,175.76