Finding the Fourth Proportional to 5,300.77, 7,315.23 and 2,943.09

Step by Step Solution

1. Step 1: Write the proportion equation
   5,300.77 : 7,315.23 = 2,943.09 : x
2. Step 2: Convert to fraction form
   5,300.77/7,315.23 = 2,943.09/x
3. Step 3: Cross multiply
   5,300.77x = 7,315.23 × 2,943.09
4. Step 4: Simplify right side
   5,300.77x = 21,529,380.26
5. Step 5: Solve for x
   x = 21,529,380.26/5,300.77
6. Step 6: Final answer
   x = 4,061.56