Finding the Fourth Proportional to 5,300.85, 7,314.94 and 2,943.15

Step by Step Solution

1. Step 1: Write the proportion equation
   5,300.85 : 7,314.94 = 2,943.15 : x
2. Step 2: Convert to fraction form
   5,300.85/7,314.94 = 2,943.15/x
3. Step 3: Cross multiply
   5,300.85x = 7,314.94 × 2,943.15
4. Step 4: Simplify right side
   5,300.85x = 21,528,965.66
5. Step 5: Solve for x
   x = 21,528,965.66/5,300.85
6. Step 6: Final answer
   x = 4,061.42