Finding the Fourth Proportional to 23,757,636.12, 32,785,537.86 and 12,892,620.12

Step by Step Solution

1. Step 1: Write the proportion equation
   23,757,636.12 : 32,785,537.86 = 12,892,620.12 : x
2. Step 2: Convert to fraction form
   23,757,636.12/32,785,537.86 = 12,892,620.12/x
3. Step 3: Cross multiply
   23,757,636.12x = 32,785,537.86 × 12,892,620.12
4. Step 4: Simplify right side
   23,757,636.12x = 422,691,485,058,857.69
5. Step 5: Solve for x
   x = 422,691,485,058,857.69/23,757,636.12
6. Step 6: Final answer
   x = 17,791,815.77