Finding the Fourth Proportional to 2,442.48, 3,665.52 and 981.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,442.48 : 3,665.52 = 981.72 : x
2. Step 2: Convert to fraction form
   2,442.48/3,665.52 = 981.72/x
3. Step 3: Cross multiply
   2,442.48x = 3,665.52 × 981.72
4. Step 4: Simplify right side
   2,442.48x = 3,598,514.29
5. Step 5: Solve for x
   x = 3,598,514.29/2,442.48
6. Step 6: Final answer
   x = 1,473.30