Finding the Fourth Proportional to 1,376.84, 2,064.18 and 683.02

Step by Step Solution

1. Step 1: Write the proportion equation
   1,376.84 : 2,064.18 = 683.02 : x
2. Step 2: Convert to fraction form
   1,376.84/2,064.18 = 683.02/x
3. Step 3: Cross multiply
   1,376.84x = 2,064.18 × 683.02
4. Step 4: Simplify right side
   1,376.84x = 1,409,876.22
5. Step 5: Solve for x
   x = 1,409,876.22/1,376.84
6. Step 6: Final answer
   x = 1,023.99