Finding the Fourth Proportional to 1,256,046.69, 1,733,357.70 and 683,086.71

Step by Step Solution

1. Step 1: Write the proportion equation
   1,256,046.69 : 1,733,357.70 = 683,086.71 : x
2. Step 2: Convert to fraction form
   1,256,046.69/1,733,357.70 = 683,086.71/x
3. Step 3: Cross multiply
   1,256,046.69x = 1,733,357.70 × 683,086.71
4. Step 4: Simplify right side
   1,256,046.69x = 1,184,033,608,546.17
5. Step 5: Solve for x
   x = 1,184,033,608,546.17/1,256,046.69
6. Step 6: Final answer
   x = 942,666.88