Finding the Fourth Proportional to 16,876,899.91, 23,290,233.69 and 9,141,942.16

Step by Step Solution

1. Step 1: Write the proportion equation
   16,876,899.91 : 23,290,233.69 = 9,141,942.16 : x
2. Step 2: Convert to fraction form
   16,876,899.91/23,290,233.69 = 9,141,942.16/x
3. Step 3: Cross multiply
   16,876,899.91x = 23,290,233.69 × 9,141,942.16
4. Step 4: Simplify right side
   16,876,899.91x = 212,917,969,286,863.38
5. Step 5: Solve for x
   x = 212,917,969,286,863.38/16,876,899.91
6. Step 6: Final answer
   x = 12,615,940.75