Finding the Fourth Proportional to 1,057,641.98, 1,586,460.27 and 383,721.98

Step by Step Solution

1. Step 1: Write the proportion equation
   1,057,641.98 : 1,586,460.27 = 383,721.98 : x
2. Step 2: Convert to fraction form
   1,057,641.98/1,586,460.27 = 383,721.98/x
3. Step 3: Cross multiply
   1,057,641.98x = 1,586,460.27 × 383,721.98
4. Step 4: Simplify right side
   1,057,641.98x = 608,759,675,995.74
5. Step 5: Solve for x
   x = 608,759,675,995.74/1,057,641.98
6. Step 6: Final answer
   x = 575,581.99