Finding the Fourth Proportional to 1,062,612.98, 1,594,300.10 and 455,146.46

Step by Step Solution

1. Step 1: Write the proportion equation
   1,062,612.98 : 1,594,300.10 = 455,146.46 : x
2. Step 2: Convert to fraction form
   1,062,612.98/1,594,300.10 = 455,146.46/x
3. Step 3: Cross multiply
   1,062,612.98x = 1,594,300.10 × 455,146.46
4. Step 4: Simplify right side
   1,062,612.98x = 725,640,036,445.41
5. Step 5: Solve for x
   x = 725,640,036,445.41/1,062,612.98
6. Step 6: Final answer
   x = 682,882.72