Finding the Fourth Proportional to 1,589,146.73, 2,383,464.72 and 436,123.90

Step by Step Solution

1. Step 1: Write the proportion equation
   1,589,146.73 : 2,383,464.72 = 436,123.90 : x
2. Step 2: Convert to fraction form
   1,589,146.73/2,383,464.72 = 436,123.90/x
3. Step 3: Cross multiply
   1,589,146.73x = 2,383,464.72 × 436,123.90
4. Step 4: Simplify right side
   1,589,146.73x = 1,039,485,923,240.15
5. Step 5: Solve for x
   x = 1,039,485,923,240.15/1,589,146.73
6. Step 6: Final answer
   x = 654,115.76