Finding the Fourth Proportional to 5,181.98, 7,150.88 and 2,943.56

Step by Step Solution

1. Step 1: Write the proportion equation
   5,181.98 : 7,150.88 = 2,943.56 : x
2. Step 2: Convert to fraction form
   5,181.98/7,150.88 = 2,943.56/x
3. Step 3: Cross multiply
   5,181.98x = 7,150.88 × 2,943.56
4. Step 4: Simplify right side
   5,181.98x = 21,049,069.57
5. Step 5: Solve for x
   x = 21,049,069.57/5,181.98
6. Step 6: Final answer
   x = 4,061.98