Finding the Fourth Proportional to 7,955.60, 10,978.56 and 4,418.72

Step by Step Solution

1. Step 1: Write the proportion equation
   7,955.60 : 10,978.56 = 4,418.72 : x
2. Step 2: Convert to fraction form
   7,955.60/10,978.56 = 4,418.72/x
3. Step 3: Cross multiply
   7,955.60x = 10,978.56 × 4,418.72
4. Step 4: Simplify right side
   7,955.60x = 48,511,182.64
5. Step 5: Solve for x
   x = 48,511,182.64/7,955.60
6. Step 6: Final answer
   x = 6,097.74