Finding the Fourth Proportional to 3,610.83, 5,418.52 and 1,419.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,610.83 : 5,418.52 = 1,419.50 : x
2. Step 2: Convert to fraction form
   3,610.83/5,418.52 = 1,419.50/x
3. Step 3: Cross multiply
   3,610.83x = 5,418.52 × 1,419.50
4. Step 4: Simplify right side
   3,610.83x = 7,691,587.89
5. Step 5: Solve for x
   x = 7,691,587.89/3,610.83
6. Step 6: Final answer
   x = 2,130.15