Finding the Fourth Proportional to 16,945.72, 25,412.73 and 6,947.63

Step by Step Solution

1. Step 1: Write the proportion equation
   16,945.72 : 25,412.73 = 6,947.63 : x
2. Step 2: Convert to fraction form
   16,945.72/25,412.73 = 6,947.63/x
3. Step 3: Cross multiply
   16,945.72x = 25,412.73 × 6,947.63
4. Step 4: Simplify right side
   16,945.72x = 176,558,204.88
5. Step 5: Solve for x
   x = 176,558,204.88/16,945.72
6. Step 6: Final answer
   x = 10,419.04