Finding the Fourth Proportional to 16,978.10, 25,463.68 and 6,444.52

Step by Step Solution

1. Step 1: Write the proportion equation
   16,978.10 : 25,463.68 = 6,444.52 : x
2. Step 2: Convert to fraction form
   16,978.10/25,463.68 = 6,444.52/x
3. Step 3: Cross multiply
   16,978.10x = 25,463.68 × 6,444.52
4. Step 4: Simplify right side
   16,978.10x = 164,101,115.26
5. Step 5: Solve for x
   x = 164,101,115.26/16,978.10
6. Step 6: Final answer
   x = 9,665.46