Finding the Fourth Proportional to 6,978.08, 9,631.53 and 4,323.92

Step by Step Solution

1. Step 1: Write the proportion equation
   6,978.08 : 9,631.53 = 4,323.92 : x
2. Step 2: Convert to fraction form
   6,978.08/9,631.53 = 4,323.92/x
3. Step 3: Cross multiply
   6,978.08x = 9,631.53 × 4,323.92
4. Step 4: Simplify right side
   6,978.08x = 41,645,917.04
5. Step 5: Solve for x
   x = 41,645,917.04/6,978.08
6. Step 6: Final answer
   x = 5,968.10