Finding the Fourth Proportional to 2,610.95, 3,915.82 and 1,222.97

Step by Step Solution

1. Step 1: Write the proportion equation
   2,610.95 : 3,915.82 = 1,222.97 : x
2. Step 2: Convert to fraction form
   2,610.95/3,915.82 = 1,222.97/x
3. Step 3: Cross multiply
   2,610.95x = 3,915.82 × 1,222.97
4. Step 4: Simplify right side
   2,610.95x = 4,788,907.75
5. Step 5: Solve for x
   x = 4,788,907.75/2,610.95
6. Step 6: Final answer
   x = 1,834.16