Finding the Fourth Proportional to 1,500.30, 2,067.84 and 1,219.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,500.30 : 2,067.84 = 1,219.50 : x
2. Step 2: Convert to fraction form
   1,500.30/2,067.84 = 1,219.50/x
3. Step 3: Cross multiply
   1,500.30x = 2,067.84 × 1,219.50
4. Step 4: Simplify right side
   1,500.30x = 2,521,730.88
5. Step 5: Solve for x
   x = 2,521,730.88/1,500.30
6. Step 6: Final answer
   x = 1,680.82