Finding the Fourth Proportional to 17,141,928.64, 23,656,542.69 and 9,407,249.62

Step by Step Solution

1. Step 1: Write the proportion equation
   17,141,928.64 : 23,656,542.69 = 9,407,249.62 : x
2. Step 2: Convert to fraction form
   17,141,928.64/23,656,542.69 = 9,407,249.62/x
3. Step 3: Cross multiply
   17,141,928.64x = 23,656,542.69 × 9,407,249.62
4. Step 4: Simplify right side
   17,141,928.64x = 222,543,002,231,016.28
5. Step 5: Solve for x
   x = 222,543,002,231,016.28/17,141,928.64
6. Step 6: Final answer
   x = 12,982,378.29