Finding the Fourth Proportional to 1,235.59, 1,705.10 and 676.05

Step by Step Solution

1. Step 1: Write the proportion equation
   1,235.59 : 1,705.10 = 676.05 : x
2. Step 2: Convert to fraction form
   1,235.59/1,705.10 = 676.05/x
3. Step 3: Cross multiply
   1,235.59x = 1,705.10 × 676.05
4. Step 4: Simplify right side
   1,235.59x = 1,152,730.32
5. Step 5: Solve for x
   x = 1,152,730.32/1,235.59
6. Step 6: Final answer
   x = 932.94