Finding the Fourth Proportional to 5,131.76, 7,082.49 and 2,894.33

Step by Step Solution

1. Step 1: Write the proportion equation
   5,131.76 : 7,082.49 = 2,894.33 : x
2. Step 2: Convert to fraction form
   5,131.76/7,082.49 = 2,894.33/x
3. Step 3: Cross multiply
   5,131.76x = 7,082.49 × 2,894.33
4. Step 4: Simplify right side
   5,131.76x = 20,499,063.28
5. Step 5: Solve for x
   x = 20,499,063.28/5,131.76
6. Step 6: Final answer
   x = 3,994.55