Finding the Fourth Proportional to 5,300.61, 7,314.47 and 2,942.57

Step by Step Solution

1. Step 1: Write the proportion equation
   5,300.61 : 7,314.47 = 2,942.57 : x
2. Step 2: Convert to fraction form
   5,300.61/7,314.47 = 2,942.57/x
3. Step 3: Cross multiply
   5,300.61x = 7,314.47 × 2,942.57
4. Step 4: Simplify right side
   5,300.61x = 21,523,303.42
5. Step 5: Solve for x
   x = 21,523,303.42/5,300.61
6. Step 6: Final answer
   x = 4,060.53