Finding the Fourth Proportional to 5,300.82, 7,315.02 and 2,942.91

Step by Step Solution

1. Step 1: Write the proportion equation
   5,300.82 : 7,315.02 = 2,942.91 : x
2. Step 2: Convert to fraction form
   5,300.82/7,315.02 = 2,942.91/x
3. Step 3: Cross multiply
   5,300.82x = 7,315.02 × 2,942.91
4. Step 4: Simplify right side
   5,300.82x = 21,527,445.51
5. Step 5: Solve for x
   x = 21,527,445.51/5,300.82
6. Step 6: Final answer
   x = 4,061.15