Finding the Fourth Proportional to 2,123.52, 3,186.60 and 969.24

Step by Step Solution

1. Step 1: Write the proportion equation
   2,123.52 : 3,186.60 = 969.24 : x
2. Step 2: Convert to fraction form
   2,123.52/3,186.60 = 969.24/x
3. Step 3: Cross multiply
   2,123.52x = 3,186.60 × 969.24
4. Step 4: Simplify right side
   2,123.52x = 3,088,580.18
5. Step 5: Solve for x
   x = 3,088,580.18/2,123.52
6. Step 6: Final answer
   x = 1,454.46