Finding the Fourth Proportional to 2,779.83, 4,167.69 and 1,683.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,779.83 : 4,167.69 = 1,683.96 : x
2. Step 2: Convert to fraction form
   2,779.83/4,167.69 = 1,683.96/x
3. Step 3: Cross multiply
   2,779.83x = 4,167.69 × 1,683.96
4. Step 4: Simplify right side
   2,779.83x = 7,018,223.25
5. Step 5: Solve for x
   x = 7,018,223.25/2,779.83
6. Step 6: Final answer
   x = 2,524.70