Finding the Fourth Proportional to 16,980.42, 25,472.00 and 6,455.48

Step by Step Solution

1. Step 1: Write the proportion equation
   16,980.42 : 25,472.00 = 6,455.48 : x
2. Step 2: Convert to fraction form
   16,980.42/25,472.00 = 6,455.48/x
3. Step 3: Cross multiply
   16,980.42x = 25,472.00 × 6,455.48
4. Step 4: Simplify right side
   16,980.42x = 164,433,826.92
5. Step 5: Solve for x
   x = 164,433,826.92/16,980.42
6. Step 6: Final answer
   x = 9,683.73