Finding the Fourth Proportional to 779,644.52, 1,075,909.52 and 421,948.52

Step by Step Solution

1. Step 1: Write the proportion equation
   779,644.52 : 1,075,909.52 = 421,948.52 : x
2. Step 2: Convert to fraction form
   779,644.52/1,075,909.52 = 421,948.52/x
3. Step 3: Cross multiply
   779,644.52x = 1,075,909.52 × 421,948.52
4. Step 4: Simplify right side
   779,644.52x = 453,978,429,617.91
5. Step 5: Solve for x
   x = 453,978,429,617.91/779,644.52
6. Step 6: Final answer
   x = 582,289.00