Finding the Fourth Proportional to 6,978.06, 9,622.34 and 4,460.28

Step by Step Solution

1. Step 1: Write the proportion equation
   6,978.06 : 9,622.34 = 4,460.28 : x
2. Step 2: Convert to fraction form
   6,978.06/9,622.34 = 4,460.28/x
3. Step 3: Cross multiply
   6,978.06x = 9,622.34 × 4,460.28
4. Step 4: Simplify right side
   6,978.06x = 42,918,308.35
5. Step 5: Solve for x
   x = 42,918,308.35/6,978.06
6. Step 6: Final answer
   x = 6,150.46