Finding the Fourth Proportional to 779,055, 1,075,095.98 and 421,359

Step by Step Solution

1. Step 1: Write the proportion equation
   779,055 : 1,075,095.98 = 421,359 : x
2. Step 2: Convert to fraction form
   779,055/1,075,095.98 = 421,359/x
3. Step 3: Cross multiply
   779,055x = 1,075,095.98 × 421,359
4. Step 4: Simplify right side
   779,055x = 453,001,367,036.82
5. Step 5: Solve for x
   x = 453,001,367,036.82/779,055
6. Step 6: Final answer
   x = 581,475.46