Finding the Fourth Proportional to 1,910.03, 2,862.54 and 1,216.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,910.03 : 2,862.54 = 1,216.42 : x
2. Step 2: Convert to fraction form
   1,910.03/2,862.54 = 1,216.42/x
3. Step 3: Cross multiply
   1,910.03x = 2,862.54 × 1,216.42
4. Step 4: Simplify right side
   1,910.03x = 3,482,043.75
5. Step 5: Solve for x
   x = 3,482,043.75/1,910.03
6. Step 6: Final answer
   x = 1,823.03