Finding the Fourth Proportional to 5,300.20, 7,314.42 and 2,942.20

Step by Step Solution

1. Step 1: Write the proportion equation
   5,300.20 : 7,314.42 = 2,942.20 : x
2. Step 2: Convert to fraction form
   5,300.20/7,314.42 = 2,942.20/x
3. Step 3: Cross multiply
   5,300.20x = 7,314.42 × 2,942.20
4. Step 4: Simplify right side
   5,300.20x = 21,520,486.52
5. Step 5: Solve for x
   x = 21,520,486.52/5,300.20
6. Step 6: Final answer
   x = 4,060.32