Finding the Fourth Proportional to 1,234.50, 1,703.61 and 682.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,234.50 : 1,703.61 = 682.50 : x
2. Step 2: Convert to fraction form
   1,234.50/1,703.61 = 682.50/x
3. Step 3: Cross multiply
   1,234.50x = 1,703.61 × 682.50
4. Step 4: Simplify right side
   1,234.50x = 1,162,713.83
5. Step 5: Solve for x
   x = 1,162,713.83/1,234.50
6. Step 6: Final answer
   x = 941.85