Finding the Fourth Proportional to 2,641.33, 3,961.14 and 792.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,641.33 : 3,961.14 = 792.10 : x
2. Step 2: Convert to fraction form
   2,641.33/3,961.14 = 792.10/x
3. Step 3: Cross multiply
   2,641.33x = 3,961.14 × 792.10
4. Step 4: Simplify right side
   2,641.33x = 3,137,618.99
5. Step 5: Solve for x
   x = 3,137,618.99/2,641.33
6. Step 6: Final answer
   x = 1,187.89