Finding the Fourth Proportional to 1,404,700.73, 2,107,052.12 and 339,743.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,404,700.73 : 2,107,052.12 = 339,743.82 : x
2. Step 2: Convert to fraction form
   1,404,700.73/2,107,052.12 = 339,743.82/x
3. Step 3: Cross multiply
   1,404,700.73x = 2,107,052.12 × 339,743.82
4. Step 4: Simplify right side
   1,404,700.73x = 715,857,936,187.90
5. Step 5: Solve for x
   x = 715,857,936,187.90/1,404,700.73
6. Step 6: Final answer
   x = 509,615.98