Finding the Fourth Proportional to 6,978.11, 10,453.02 and 3,224.55

Step by Step Solution

1. Step 1: Write the proportion equation
   6,978.11 : 10,453.02 = 3,224.55 : x
2. Step 2: Convert to fraction form
   6,978.11/10,453.02 = 3,224.55/x
3. Step 3: Cross multiply
   6,978.11x = 10,453.02 × 3,224.55
4. Step 4: Simplify right side
   6,978.11x = 33,706,253.95
5. Step 5: Solve for x
   x = 33,706,253.95/6,978.11
6. Step 6: Final answer
   x = 4,830.29