Finding the Fourth Proportional to 6,978.34, 10,441.72 and 6,141.48

Step by Step Solution

1. Step 1: Write the proportion equation
   6,978.34 : 10,441.72 = 6,141.48 : x
2. Step 2: Convert to fraction form
   6,978.34/10,441.72 = 6,141.48/x
3. Step 3: Cross multiply
   6,978.34x = 10,441.72 × 6,141.48
4. Step 4: Simplify right side
   6,978.34x = 64,127,614.55
5. Step 5: Solve for x
   x = 64,127,614.55/6,978.34
6. Step 6: Final answer
   x = 9,189.52