Finding the Fourth Proportional to 2,017.19, 2,783.58 and 1,851.95

Step by Step Solution

1. Step 1: Write the proportion equation
   2,017.19 : 2,783.58 = 1,851.95 : x
2. Step 2: Convert to fraction form
   2,017.19/2,783.58 = 1,851.95/x
3. Step 3: Cross multiply
   2,017.19x = 2,783.58 × 1,851.95
4. Step 4: Simplify right side
   2,017.19x = 5,155,050.98
5. Step 5: Solve for x
   x = 5,155,050.98/2,017.19
6. Step 6: Final answer
   x = 2,555.56