Finding the Fourth Proportional to 2,219.83, 3,063.29 and 1,380.35

Step by Step Solution

1. Step 1: Write the proportion equation
   2,219.83 : 3,063.29 = 1,380.35 : x
2. Step 2: Convert to fraction form
   2,219.83/3,063.29 = 1,380.35/x
3. Step 3: Cross multiply
   2,219.83x = 3,063.29 × 1,380.35
4. Step 4: Simplify right side
   2,219.83x = 4,228,412.35
5. Step 5: Solve for x
   x = 4,228,412.35/2,219.83
6. Step 6: Final answer
   x = 1,904.84