Finding the Fourth Proportional to 1,456,708.59, 2,185,128.50 and 1,055,437.83

Step by Step Solution

1. Step 1: Write the proportion equation
   1,456,708.59 : 2,185,128.50 = 1,055,437.83 : x
2. Step 2: Convert to fraction form
   1,456,708.59/2,185,128.50 = 1,055,437.83/x
3. Step 3: Cross multiply
   1,456,708.59x = 2,185,128.50 × 1,055,437.83
4. Step 4: Simplify right side
   1,456,708.59x = 2,306,267,277,033.97
5. Step 5: Solve for x
   x = 2,306,267,277,033.97/1,456,708.59
6. Step 6: Final answer
   x = 1,583,204.28