Finding the Fourth Proportional to 5,074.02, 7,002.33 and 2,978.82

Step by Step Solution

1. Step 1: Write the proportion equation
   5,074.02 : 7,002.33 = 2,978.82 : x
2. Step 2: Convert to fraction form
   5,074.02/7,002.33 = 2,978.82/x
3. Step 3: Cross multiply
   5,074.02x = 7,002.33 × 2,978.82
4. Step 4: Simplify right side
   5,074.02x = 20,858,680.65
5. Step 5: Solve for x
   x = 20,858,680.65/5,074.02
6. Step 6: Final answer
   x = 4,110.88