Finding the Fourth Proportional to 5,301.42, 7,315.47 and 2,943.42

Step by Step Solution

1. Step 1: Write the proportion equation
   5,301.42 : 7,315.47 = 2,943.42 : x
2. Step 2: Convert to fraction form
   5,301.42/7,315.47 = 2,943.42/x
3. Step 3: Cross multiply
   5,301.42x = 7,315.47 × 2,943.42
4. Step 4: Simplify right side
   5,301.42x = 21,532,500.71
5. Step 5: Solve for x
   x = 21,532,500.71/5,301.42
6. Step 6: Final answer
   x = 4,061.65