Finding the Fourth Proportional to 4,978.44, 7,462.62 and 2,378.52

Step by Step Solution

1. Step 1: Write the proportion equation
   4,978.44 : 7,462.62 = 2,378.52 : x
2. Step 2: Convert to fraction form
   4,978.44/7,462.62 = 2,378.52/x
3. Step 3: Cross multiply
   4,978.44x = 7,462.62 × 2,378.52
4. Step 4: Simplify right side
   4,978.44x = 17,749,990.92
5. Step 5: Solve for x
   x = 17,749,990.92/4,978.44
6. Step 6: Final answer
   x = 3,565.37