Finding the Fourth Proportional to 2,167.39, 2,994.57 and 2,085.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,167.39 : 2,994.57 = 2,085.34 : x
2. Step 2: Convert to fraction form
   2,167.39/2,994.57 = 2,085.34/x
3. Step 3: Cross multiply
   2,167.39x = 2,994.57 × 2,085.34
4. Step 4: Simplify right side
   2,167.39x = 6,244,696.60
5. Step 5: Solve for x
   x = 6,244,696.60/2,167.39
6. Step 6: Final answer
   x = 2,881.21