Finding the Fourth Proportional to 22,769,791.38, 31,422,200.13 and 12,456,327.06

Step by Step Solution

1. Step 1: Write the proportion equation
   22,769,791.38 : 31,422,200.13 = 12,456,327.06 : x
2. Step 2: Convert to fraction form
   22,769,791.38/31,422,200.13 = 12,456,327.06/x
3. Step 3: Cross multiply
   22,769,791.38x = 31,422,200.13 × 12,456,327.06
4. Step 4: Simplify right side
   22,769,791.38x = 391,405,201,764,054.50
5. Step 5: Solve for x
   x = 391,405,201,764,054.50/22,769,791.38
6. Step 6: Final answer
   x = 17,189,670.09