Finding the Fourth Proportional to 789,410, 1,089,411.72 and 431,714

Step by Step Solution

1. Step 1: Write the proportion equation
   789,410 : 1,089,411.72 = 431,714 : x
2. Step 2: Convert to fraction form
   789,410/1,089,411.72 = 431,714/x
3. Step 3: Cross multiply
   789,410x = 1,089,411.72 × 431,714
4. Step 4: Simplify right side
   789,410x = 470,314,291,288.08
5. Step 5: Solve for x
   x = 470,314,291,288.08/789,410
6. Step 6: Final answer
   x = 595,779.50