Finding the Fourth Proportional to 1,128,530.33, 1,692,775.89 and 454,594.41

Step by Step Solution

1. Step 1: Write the proportion equation
   1,128,530.33 : 1,692,775.89 = 454,594.41 : x
2. Step 2: Convert to fraction form
   1,128,530.33/1,692,775.89 = 454,594.41/x
3. Step 3: Cross multiply
   1,128,530.33x = 1,692,775.89 × 454,594.41
4. Step 4: Simplify right side
   1,128,530.33x = 769,526,456,976.78
5. Step 5: Solve for x
   x = 769,526,456,976.78/1,128,530.33
6. Step 6: Final answer
   x = 681,883.72