Finding the Fourth Proportional to 1,436,323.10, 2,154,799.73 and 425,524.05

Step by Step Solution

1. Step 1: Write the proportion equation
   1,436,323.10 : 2,154,799.73 = 425,524.05 : x
2. Step 2: Convert to fraction form
   1,436,323.10/2,154,799.73 = 425,524.05/x
3. Step 3: Cross multiply
   1,436,323.10x = 2,154,799.73 × 425,524.05
4. Step 4: Simplify right side
   1,436,323.10x = 916,919,109,112.32
5. Step 5: Solve for x
   x = 916,919,109,112.32/1,436,323.10
6. Step 6: Final answer
   x = 638,379.42