Finding the Fourth Proportional to 5,300.42, 7,314.63 and 2,942.78

Step by Step Solution

1. Step 1: Write the proportion equation
   5,300.42 : 7,314.63 = 2,942.78 : x
2. Step 2: Convert to fraction form
   5,300.42/7,314.63 = 2,942.78/x
3. Step 3: Cross multiply
   5,300.42x = 7,314.63 × 2,942.78
4. Step 4: Simplify right side
   5,300.42x = 21,525,346.87
5. Step 5: Solve for x
   x = 21,525,346.87/5,300.42
6. Step 6: Final answer
   x = 4,061.06