Finding the Fourth Proportional to 5,300.88, 7,315.05 and 2,942.91

Step by Step Solution

1. Step 1: Write the proportion equation
   5,300.88 : 7,315.05 = 2,942.91 : x
2. Step 2: Convert to fraction form
   5,300.88/7,315.05 = 2,942.91/x
3. Step 3: Cross multiply
   5,300.88x = 7,315.05 × 2,942.91
4. Step 4: Simplify right side
   5,300.88x = 21,527,533.80
5. Step 5: Solve for x
   x = 21,527,533.80/5,300.88
6. Step 6: Final answer
   x = 4,061.12