Finding the Fourth Proportional to 1,642.82, 2,462.86 and 655.02

Step by Step Solution

1. Step 1: Write the proportion equation
   1,642.82 : 2,462.86 = 655.02 : x
2. Step 2: Convert to fraction form
   1,642.82/2,462.86 = 655.02/x
3. Step 3: Cross multiply
   1,642.82x = 2,462.86 × 655.02
4. Step 4: Simplify right side
   1,642.82x = 1,613,223.38
5. Step 5: Solve for x
   x = 1,613,223.38/1,642.82
6. Step 6: Final answer
   x = 981.99