Finding the Fourth Proportional to 1,012,414.82, 1,397,072.46 and 559,678.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,012,414.82 : 1,397,072.46 = 559,678.82 : x
2. Step 2: Convert to fraction form
   1,012,414.82/1,397,072.46 = 559,678.82/x
3. Step 3: Cross multiply
   1,012,414.82x = 1,397,072.46 × 559,678.82
4. Step 4: Simplify right side
   1,012,414.82x = 781,911,865,867.30
5. Step 5: Solve for x
   x = 781,911,865,867.30/1,012,414.82
6. Step 6: Final answer
   x = 772,323.61