Finding the Fourth Proportional to 5,131.50, 7,082.15 and 2,894.08

Step by Step Solution

1. Step 1: Write the proportion equation
   5,131.50 : 7,082.15 = 2,894.08 : x
2. Step 2: Convert to fraction form
   5,131.50/7,082.15 = 2,894.08/x
3. Step 3: Cross multiply
   5,131.50x = 7,082.15 × 2,894.08
4. Step 4: Simplify right side
   5,131.50x = 20,496,308.67
5. Step 5: Solve for x
   x = 20,496,308.67/5,131.50
6. Step 6: Final answer
   x = 3,994.21