Finding the Fourth Proportional to 1,196,764, 1,651,496.40 and 680,574

Step by Step Solution

1. Step 1: Write the proportion equation
   1,196,764 : 1,651,496.40 = 680,574 : x
2. Step 2: Convert to fraction form
   1,196,764/1,651,496.40 = 680,574/x
3. Step 3: Cross multiply
   1,196,764x = 1,651,496.40 × 680,574
4. Step 4: Simplify right side
   1,196,764x = 1,123,965,510,933.60
5. Step 5: Solve for x
   x = 1,123,965,510,933.60/1,196,764
6. Step 6: Final answer
   x = 939,170.56