Finding the Fourth Proportional to 2,124.56, 3,187.66 and 969.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,124.56 : 3,187.66 = 969.50 : x
2. Step 2: Convert to fraction form
   2,124.56/3,187.66 = 969.50/x
3. Step 3: Cross multiply
   2,124.56x = 3,187.66 × 969.50
4. Step 4: Simplify right side
   2,124.56x = 3,090,436.37
5. Step 5: Solve for x
   x = 3,090,436.37/2,124.56
6. Step 6: Final answer
   x = 1,454.62