Finding the Fourth Proportional to 2,526.34, 3,789.86 and 677.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,526.34 : 3,789.86 = 677.50 : x
2. Step 2: Convert to fraction form
   2,526.34/3,789.86 = 677.50/x
3. Step 3: Cross multiply
   2,526.34x = 3,789.86 × 677.50
4. Step 4: Simplify right side
   2,526.34x = 2,567,630.15
5. Step 5: Solve for x
   x = 2,567,630.15/2,526.34
6. Step 6: Final answer
   x = 1,016.34