Finding the Fourth Proportional to 1,632.42, 2,446.47 and 1,218.24

Step by Step Solution

1. Step 1: Write the proportion equation
   1,632.42 : 2,446.47 = 1,218.24 : x
2. Step 2: Convert to fraction form
   1,632.42/2,446.47 = 1,218.24/x
3. Step 3: Cross multiply
   1,632.42x = 2,446.47 × 1,218.24
4. Step 4: Simplify right side
   1,632.42x = 2,980,387.61
5. Step 5: Solve for x
   x = 2,980,387.61/1,632.42
6. Step 6: Final answer
   x = 1,825.75