Finding the Fourth Proportional to 1,967.02, 2,713.62 and 1,219.48

Step by Step Solution

1. Step 1: Write the proportion equation
   1,967.02 : 2,713.62 = 1,219.48 : x
2. Step 2: Convert to fraction form
   1,967.02/2,713.62 = 1,219.48/x
3. Step 3: Cross multiply
   1,967.02x = 2,713.62 × 1,219.48
4. Step 4: Simplify right side
   1,967.02x = 3,309,205.32
5. Step 5: Solve for x
   x = 3,309,205.32/1,967.02
6. Step 6: Final answer
   x = 1,682.34