Finding the Fourth Proportional to 1,852.53, 2,779.89 and 683.35

Step by Step Solution

1. Step 1: Write the proportion equation
   1,852.53 : 2,779.89 = 683.35 : x
2. Step 2: Convert to fraction form
   1,852.53/2,779.89 = 683.35/x
3. Step 3: Cross multiply
   1,852.53x = 2,779.89 × 683.35
4. Step 4: Simplify right side
   1,852.53x = 1,899,637.83
5. Step 5: Solve for x
   x = 1,899,637.83/1,852.53
6. Step 6: Final answer
   x = 1,025.43