Finding the Fourth Proportional to 1,204,627.69, 1,662,356.24 and 688,348.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,204,627.69 : 1,662,356.24 = 688,348.82 : x
2. Step 2: Convert to fraction form
   1,204,627.69/1,662,356.24 = 688,348.82/x
3. Step 3: Cross multiply
   1,204,627.69x = 1,662,356.24 × 688,348.82
4. Step 4: Simplify right side
   1,204,627.69x = 1,144,280,956,937.78
5. Step 5: Solve for x
   x = 1,144,280,956,937.78/1,204,627.69
6. Step 6: Final answer
   x = 949,904.25