Finding the Fourth Proportional to 1,642.82, 2,462.33 and 910.94

Step by Step Solution

1. Step 1: Write the proportion equation
   1,642.82 : 2,462.33 = 910.94 : x
2. Step 2: Convert to fraction form
   1,642.82/2,462.33 = 910.94/x
3. Step 3: Cross multiply
   1,642.82x = 2,462.33 × 910.94
4. Step 4: Simplify right side
   1,642.82x = 2,243,018.02
5. Step 5: Solve for x
   x = 2,243,018.02/1,642.82
6. Step 6: Final answer
   x = 1,365.35