Finding the Fourth Proportional to 1,404,703.82, 2,107,061.20 and 339,744.17

Step by Step Solution

1. Step 1: Write the proportion equation
   1,404,703.82 : 2,107,061.20 = 339,744.17 : x
2. Step 2: Convert to fraction form
   1,404,703.82/2,107,061.20 = 339,744.17/x
3. Step 3: Cross multiply
   1,404,703.82x = 2,107,061.20 × 339,744.17
4. Step 4: Simplify right side
   1,404,703.82x = 715,861,764,225.54
5. Step 5: Solve for x
   x = 715,861,764,225.54/1,404,703.82
6. Step 6: Final answer
   x = 509,617.58