Finding the Fourth Proportional to 4,978.44, 7,468.56 and 2,055.15

Step by Step Solution

1. Step 1: Write the proportion equation
   4,978.44 : 7,468.56 = 2,055.15 : x
2. Step 2: Convert to fraction form
   4,978.44/7,468.56 = 2,055.15/x
3. Step 3: Cross multiply
   4,978.44x = 7,468.56 × 2,055.15
4. Step 4: Simplify right side
   4,978.44x = 15,349,011.08
5. Step 5: Solve for x
   x = 15,349,011.08/4,978.44
6. Step 6: Final answer
   x = 3,083.10