Finding the Fourth Proportional to 1,844.56, 2,765.72 and 688.96

Step by Step Solution

1. Step 1: Write the proportion equation
   1,844.56 : 2,765.72 = 688.96 : x
2. Step 2: Convert to fraction form
   1,844.56/2,765.72 = 688.96/x
3. Step 3: Cross multiply
   1,844.56x = 2,765.72 × 688.96
4. Step 4: Simplify right side
   1,844.56x = 1,905,470.45
5. Step 5: Solve for x
   x = 1,905,470.45/1,844.56
6. Step 6: Final answer
   x = 1,033.02