Finding the Fourth Proportional to 2,124.82, 2,932.39 and 1,285.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,124.82 : 2,932.39 = 1,285.56 : x
2. Step 2: Convert to fraction form
   2,124.82/2,932.39 = 1,285.56/x
3. Step 3: Cross multiply
   2,124.82x = 2,932.39 × 1,285.56
4. Step 4: Simplify right side
   2,124.82x = 3,769,758.96
5. Step 5: Solve for x
   x = 3,769,758.96/2,124.82
6. Step 6: Final answer
   x = 1,774.15