Finding the Fourth Proportional to 1,208,196.73, 1,667,299.76 and 656,912.43

Step by Step Solution

1. Step 1: Write the proportion equation
   1,208,196.73 : 1,667,299.76 = 656,912.43 : x
2. Step 2: Convert to fraction form
   1,208,196.73/1,667,299.76 = 656,912.43/x
3. Step 3: Cross multiply
   1,208,196.73x = 1,667,299.76 × 656,912.43
4. Step 4: Simplify right side
   1,208,196.73x = 1,095,269,933,501.63
5. Step 5: Solve for x
   x = 1,095,269,933,501.63/1,208,196.73
6. Step 6: Final answer
   x = 906,532.77