Finding the Fourth Proportional to 2,884.59, 3,980.61 and 1,767.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,884.59 : 3,980.61 = 1,767.42 : x
2. Step 2: Convert to fraction form
   2,884.59/3,980.61 = 1,767.42/x
3. Step 3: Cross multiply
   2,884.59x = 3,980.61 × 1,767.42
4. Step 4: Simplify right side
   2,884.59x = 7,035,409.73
5. Step 5: Solve for x
   x = 7,035,409.73/2,884.59
6. Step 6: Final answer
   x = 2,438.96