Finding the Fourth Proportional to 7,955.61, 10,978.88 and 4,419.15

Step by Step Solution

1. Step 1: Write the proportion equation
   7,955.61 : 10,978.88 = 4,419.15 : x
2. Step 2: Convert to fraction form
   7,955.61/10,978.88 = 4,419.15/x
3. Step 3: Cross multiply
   7,955.61x = 10,978.88 × 4,419.15
4. Step 4: Simplify right side
   7,955.61x = 48,517,317.55
5. Step 5: Solve for x
   x = 48,517,317.55/7,955.61
6. Step 6: Final answer
   x = 6,098.50