Finding the Fourth Proportional to 1,404,699.73, 2,107,050.62 and 339,742.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,404,699.73 : 2,107,050.62 = 339,742.82 : x
2. Step 2: Convert to fraction form
   1,404,699.73/2,107,050.62 = 339,742.82/x
3. Step 3: Cross multiply
   1,404,699.73x = 2,107,050.62 × 339,742.82
4. Step 4: Simplify right side
   1,404,699.73x = 715,855,308,986.30
5. Step 5: Solve for x
   x = 715,855,308,986.30/1,404,699.73
6. Step 6: Final answer
   x = 509,614.47