Finding the Fourth Proportional to 1,635.72, 2,447.46 and 975.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,635.72 : 2,447.46 = 975.18 : x
2. Step 2: Convert to fraction form
   1,635.72/2,447.46 = 975.18/x
3. Step 3: Cross multiply
   1,635.72x = 2,447.46 × 975.18
4. Step 4: Simplify right side
   1,635.72x = 2,386,714.04
5. Step 5: Solve for x
   x = 2,386,714.04/1,635.72
6. Step 6: Final answer
   x = 1,459.12