Finding the Fourth Proportional to 1,214,297.88, 1,675,733.31 and 670,434.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,214,297.88 : 1,675,733.31 = 670,434.72 : x
2. Step 2: Convert to fraction form
   1,214,297.88/1,675,733.31 = 670,434.72/x
3. Step 3: Cross multiply
   1,214,297.88x = 1,675,733.31 × 670,434.72
4. Step 4: Simplify right side
   1,214,297.88x = 1,123,469,792,484.52
5. Step 5: Solve for x
   x = 1,123,469,792,484.52/1,214,297.88
6. Step 6: Final answer
   x = 925,201.15