Finding the Fourth Proportional to 2,126.85, 3,184.89 and 1,779.33

Step by Step Solution

1. Step 1: Write the proportion equation
   2,126.85 : 3,184.89 = 1,779.33 : x
2. Step 2: Convert to fraction form
   2,126.85/3,184.89 = 1,779.33/x
3. Step 3: Cross multiply
   2,126.85x = 3,184.89 × 1,779.33
4. Step 4: Simplify right side
   2,126.85x = 5,666,945.50
5. Step 5: Solve for x
   x = 5,666,945.50/2,126.85
6. Step 6: Final answer
   x = 2,664.48