Finding the Fourth Proportional to 5,300.86, 7,315.24 and 2,943.22

Step by Step Solution

1. Step 1: Write the proportion equation
   5,300.86 : 7,315.24 = 2,943.22 : x
2. Step 2: Convert to fraction form
   5,300.86/7,315.24 = 2,943.22/x
3. Step 3: Cross multiply
   5,300.86x = 7,315.24 × 2,943.22
4. Step 4: Simplify right side
   5,300.86x = 21,530,360.67
5. Step 5: Solve for x
   x = 21,530,360.67/5,300.86
6. Step 6: Final answer
   x = 4,061.67