Finding the Fourth Proportional to 1,380.68, 2,068.50 and 968.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,380.68 : 2,068.50 = 968.34 : x
2. Step 2: Convert to fraction form
   1,380.68/2,068.50 = 968.34/x
3. Step 3: Cross multiply
   1,380.68x = 2,068.50 × 968.34
4. Step 4: Simplify right side
   1,380.68x = 2,003,011.29
5. Step 5: Solve for x
   x = 2,003,011.29/1,380.68
6. Step 6: Final answer
   x = 1,450.75