Finding the Fourth Proportional to 779,544, 1,075,770.72 and 421,848

Step by Step Solution

1. Step 1: Write the proportion equation
   779,544 : 1,075,770.72 = 421,848 : x
2. Step 2: Convert to fraction form
   779,544/1,075,770.72 = 421,848/x
3. Step 3: Cross multiply
   779,544x = 1,075,770.72 × 421,848
4. Step 4: Simplify right side
   779,544x = 453,811,726,690.56
5. Step 5: Solve for x
   x = 453,811,726,690.56/779,544
6. Step 6: Final answer
   x = 582,150.24