Finding the Fourth Proportional to 1,915.58, 2,874.51 and 1,794.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,915.58 : 2,874.51 = 1,794.10 : x
2. Step 2: Convert to fraction form
   1,915.58/2,874.51 = 1,794.10/x
3. Step 3: Cross multiply
   1,915.58x = 2,874.51 × 1,794.10
4. Step 4: Simplify right side
   1,915.58x = 5,157,158.39
5. Step 5: Solve for x
   x = 5,157,158.39/1,915.58
6. Step 6: Final answer
   x = 2,692.22