Finding the Fourth Proportional to 2,642.96, 3,965.25 and 1,000.01

Step by Step Solution

1. Step 1: Write the proportion equation
   2,642.96 : 3,965.25 = 1,000.01 : x
2. Step 2: Convert to fraction form
   2,642.96/3,965.25 = 1,000.01/x
3. Step 3: Cross multiply
   2,642.96x = 3,965.25 × 1,000.01
4. Step 4: Simplify right side
   2,642.96x = 3,965,269.83
5. Step 5: Solve for x
   x = 3,965,269.83/2,642.96
6. Step 6: Final answer
   x = 1,500.32