Finding the Fourth Proportional to 2,642.34, 3,962.52 and 998.01

Step by Step Solution

1. Step 1: Write the proportion equation
   2,642.34 : 3,962.52 = 998.01 : x
2. Step 2: Convert to fraction form
   2,642.34/3,962.52 = 998.01/x
3. Step 3: Cross multiply
   2,642.34x = 3,962.52 × 998.01
4. Step 4: Simplify right side
   2,642.34x = 3,954,634.59
5. Step 5: Solve for x
   x = 3,954,634.59/2,642.34
6. Step 6: Final answer
   x = 1,496.64