Finding the Fourth Proportional to 1,039,609.07, 1,434,507.83 and 580,667.09

Step by Step Solution

1. Step 1: Write the proportion equation
   1,039,609.07 : 1,434,507.83 = 580,667.09 : x
2. Step 2: Convert to fraction form
   1,039,609.07/1,434,507.83 = 580,667.09/x
3. Step 3: Cross multiply
   1,039,609.07x = 1,434,507.83 × 580,667.09
4. Step 4: Simplify right side
   1,039,609.07x = 832,971,484,324.98
5. Step 5: Solve for x
   x = 832,971,484,324.98/1,039,609.07
6. Step 6: Final answer
   x = 801,235.30