Finding the Fourth Proportional to 779,422.80, 1,075,495.56 and 435,216.72

Step by Step Solution

1. Step 1: Write the proportion equation
   779,422.80 : 1,075,495.56 = 435,216.72 : x
2. Step 2: Convert to fraction form
   779,422.80/1,075,495.56 = 435,216.72/x
3. Step 3: Cross multiply
   779,422.80x = 1,075,495.56 × 435,216.72
4. Step 4: Simplify right side
   779,422.80x = 468,073,649,997.76
5. Step 5: Solve for x
   x = 468,073,649,997.76/779,422.80
6. Step 6: Final answer
   x = 600,538.82