Finding the Fourth Proportional to 5,300.44, 7,315.18 and 2,942.80

Step by Step Solution

1. Step 1: Write the proportion equation
   5,300.44 : 7,315.18 = 2,942.80 : x
2. Step 2: Convert to fraction form
   5,300.44/7,315.18 = 2,942.80/x
3. Step 3: Cross multiply
   5,300.44x = 7,315.18 × 2,942.80
4. Step 4: Simplify right side
   5,300.44x = 21,527,111.70
5. Step 5: Solve for x
   x = 21,527,111.70/5,300.44
6. Step 6: Final answer
   x = 4,061.38