Finding the Fourth Proportional to 16,899,082.92, 23,320,746.72 and 9,164,123.28

Step by Step Solution

1. Step 1: Write the proportion equation
   16,899,082.92 : 23,320,746.72 = 9,164,123.28 : x
2. Step 2: Convert to fraction form
   16,899,082.92/23,320,746.72 = 9,164,123.28/x
3. Step 3: Cross multiply
   16,899,082.92x = 23,320,746.72 × 9,164,123.28
4. Step 4: Simplify right side
   16,899,082.92x = 213,714,197,923,735.62
5. Step 5: Solve for x
   x = 213,714,197,923,735.62/16,899,082.92
6. Step 6: Final answer
   x = 12,646,496.79