Finding the Fourth Proportional to 2,610.93, 3,916.00 and 855.41

Step by Step Solution

1. Step 1: Write the proportion equation
   2,610.93 : 3,916.00 = 855.41 : x
2. Step 2: Convert to fraction form
   2,610.93/3,916.00 = 855.41/x
3. Step 3: Cross multiply
   2,610.93x = 3,916.00 × 855.41
4. Step 4: Simplify right side
   2,610.93x = 3,349,784.27
5. Step 5: Solve for x
   x = 3,349,784.27/2,610.93
6. Step 6: Final answer
   x = 1,282.98