Finding the Fourth Proportional to 1,039,497.72, 1,434,491.69 and 580,618.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,039,497.72 : 1,434,491.69 = 580,618.82 : x
2. Step 2: Convert to fraction form
   1,039,497.72/1,434,491.69 = 580,618.82/x
3. Step 3: Cross multiply
   1,039,497.72x = 1,434,491.69 × 580,618.82
4. Step 4: Simplify right side
   1,039,497.72x = 832,892,862,272.05
5. Step 5: Solve for x
   x = 832,892,862,272.05/1,039,497.72
6. Step 6: Final answer
   x = 801,245.49