Finding the Fourth Proportional to 2,993.31, 4,476.94 and 2,771.91

Step by Step Solution

1. Step 1: Write the proportion equation
   2,993.31 : 4,476.94 = 2,771.91 : x
2. Step 2: Convert to fraction form
   2,993.31/4,476.94 = 2,771.91/x
3. Step 3: Cross multiply
   2,993.31x = 4,476.94 × 2,771.91
4. Step 4: Simplify right side
   2,993.31x = 12,409,667.83
5. Step 5: Solve for x
   x = 12,409,667.83/2,993.31
6. Step 6: Final answer
   x = 4,145.80