Finding the Fourth Proportional to 2,010.83, 3,011.38 and 1,779.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,010.83 : 3,011.38 = 1,779.98 : x
2. Step 2: Convert to fraction form
   2,010.83/3,011.38 = 1,779.98/x
3. Step 3: Cross multiply
   2,010.83x = 3,011.38 × 1,779.98
4. Step 4: Simplify right side
   2,010.83x = 5,360,176.67
5. Step 5: Solve for x
   x = 5,360,176.67/2,010.83
6. Step 6: Final answer
   x = 2,665.66