Finding the Fourth Proportional to 2,765.72, 3,814.62 and 1,879.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,765.72 : 3,814.62 = 1,879.98 : x
2. Step 2: Convert to fraction form
   2,765.72/3,814.62 = 1,879.98/x
3. Step 3: Cross multiply
   2,765.72x = 3,814.62 × 1,879.98
4. Step 4: Simplify right side
   2,765.72x = 7,171,409.31
5. Step 5: Solve for x
   x = 7,171,409.31/2,765.72
6. Step 6: Final answer
   x = 2,592.96