Finding the Fourth Proportional to 2,642.52, 3,961.46 and 998.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,642.52 : 3,961.46 = 998.22 : x
2. Step 2: Convert to fraction form
   2,642.52/3,961.46 = 998.22/x
3. Step 3: Cross multiply
   2,642.52x = 3,961.46 × 998.22
4. Step 4: Simplify right side
   2,642.52x = 3,954,420.34
5. Step 5: Solve for x
   x = 3,954,420.34/2,642.52
6. Step 6: Final answer
   x = 1,496.46