Finding the Fourth Proportional to 1,607,075.98, 2,410,544.85 and 485,111.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,607,075.98 : 2,410,544.85 = 485,111.50 : x
2. Step 2: Convert to fraction form
   1,607,075.98/2,410,544.85 = 485,111.50/x
3. Step 3: Cross multiply
   1,607,075.98x = 2,410,544.85 × 485,111.50
4. Step 4: Simplify right side
   1,607,075.98x = 1,169,383,028,000.78
5. Step 5: Solve for x
   x = 1,169,383,028,000.78/1,607,075.98
6. Step 6: Final answer
   x = 727,646.39