Finding the Fourth Proportional to 16,507,309.09, 22,780,798.01 and 9,165,142.59

Step by Step Solution

1. Step 1: Write the proportion equation
   16,507,309.09 : 22,780,798.01 = 9,165,142.59 : x
2. Step 2: Convert to fraction form
   16,507,309.09/22,780,798.01 = 9,165,142.59/x
3. Step 3: Cross multiply
   16,507,309.09x = 22,780,798.01 × 9,165,142.59
4. Step 4: Simplify right side
   16,507,309.09x = 208,789,262,098,551.09
5. Step 5: Solve for x
   x = 208,789,262,098,551.09/16,507,309.09
6. Step 6: Final answer
   x = 12,648,291.80