Finding the Fourth Proportional to 2,123.24, 3,185.62 and 953.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,123.24 : 3,185.62 = 953.12 : x
2. Step 2: Convert to fraction form
   2,123.24/3,185.62 = 953.12/x
3. Step 3: Cross multiply
   2,123.24x = 3,185.62 × 953.12
4. Step 4: Simplify right side
   2,123.24x = 3,036,278.13
5. Step 5: Solve for x
   x = 3,036,278.13/2,123.24
6. Step 6: Final answer
   x = 1,430.02