Finding the Fourth Proportional to 969,348.27, 1,449,972.42 and 681,139.72

Step by Step Solution

1. Step 1: Write the proportion equation
   969,348.27 : 1,449,972.42 = 681,139.72 : x
2. Step 2: Convert to fraction form
   969,348.27/1,449,972.42 = 681,139.72/x
3. Step 3: Cross multiply
   969,348.27x = 1,449,972.42 × 681,139.72
4. Step 4: Simplify right side
   969,348.27x = 987,633,808,166.52
5. Step 5: Solve for x
   x = 987,633,808,166.52/969,348.27
6. Step 6: Final answer
   x = 1,018,863.74