Finding the Fourth Proportional to 6,981.05, 9,635.32 and 4,427.16

Step by Step Solution

1. Step 1: Write the proportion equation
   6,981.05 : 9,635.32 = 4,427.16 : x
2. Step 2: Convert to fraction form
   6,981.05/9,635.32 = 4,427.16/x
3. Step 3: Cross multiply
   6,981.05x = 9,635.32 × 4,427.16
4. Step 4: Simplify right side
   6,981.05x = 42,657,072.69
5. Step 5: Solve for x
   x = 42,657,072.69/6,981.05
6. Step 6: Final answer
   x = 6,110.41