Finding the Fourth Proportional to 5,300.61, 7,314.98 and 2,942.85

Step by Step Solution

1. Step 1: Write the proportion equation
   5,300.61 : 7,314.98 = 2,942.85 : x
2. Step 2: Convert to fraction form
   5,300.61/7,314.98 = 2,942.85/x
3. Step 3: Cross multiply
   5,300.61x = 7,314.98 × 2,942.85
4. Step 4: Simplify right side
   5,300.61x = 21,526,874.18
5. Step 5: Solve for x
   x = 21,526,874.18/5,300.61
6. Step 6: Final answer
   x = 4,061.21