Finding the Fourth Proportional to 21,199,270.56, 31,798,227.59 and 8,909,744.82

Step by Step Solution

1. Step 1: Write the proportion equation
   21,199,270.56 : 31,798,227.59 = 8,909,744.82 : x
2. Step 2: Convert to fraction form
   21,199,270.56/31,798,227.59 = 8,909,744.82/x
3. Step 3: Cross multiply
   21,199,270.56x = 31,798,227.59 × 8,909,744.82
4. Step 4: Simplify right side
   21,199,270.56x = 283,314,093,555,183.56
5. Step 5: Solve for x
   x = 283,314,093,555,183.56/21,199,270.56
6. Step 6: Final answer
   x = 13,364,332.17