Finding the Fourth Proportional to 1,090,685.98, 1,635,269.82 and 483,144.40

Step by Step Solution

1. Step 1: Write the proportion equation
   1,090,685.98 : 1,635,269.82 = 483,144.40 : x
2. Step 2: Convert to fraction form
   1,090,685.98/1,635,269.82 = 483,144.40/x
3. Step 3: Cross multiply
   1,090,685.98x = 1,635,269.82 × 483,144.40
4. Step 4: Simplify right side
   1,090,685.98x = 790,071,456,022.01
5. Step 5: Solve for x
   x = 790,071,456,022.01/1,090,685.98
6. Step 6: Final answer
   x = 724,380.32