Finding the Fourth Proportional to 1,967,667.72, 2,944,835.24 and 1,209,989.09

Step by Step Solution

1. Step 1: Write the proportion equation
   1,967,667.72 : 2,944,835.24 = 1,209,989.09 : x
2. Step 2: Convert to fraction form
   1,967,667.72/2,944,835.24 = 1,209,989.09/x
3. Step 3: Cross multiply
   1,967,667.72x = 2,944,835.24 × 1,209,989.09
4. Step 4: Simplify right side
   1,967,667.72x = 3,563,218,494,498.38
5. Step 5: Solve for x
   x = 3,563,218,494,498.38/1,967,667.72
6. Step 6: Final answer
   x = 1,810,884.26