Finding the Fourth Proportional to 2,485,075.05, 3,722,741.01 and 1,287,782.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,485,075.05 : 3,722,741.01 = 1,287,782.78 : x
2. Step 2: Convert to fraction form
   2,485,075.05/3,722,741.01 = 1,287,782.78/x
3. Step 3: Cross multiply
   2,485,075.05x = 3,722,741.01 × 1,287,782.78
4. Step 4: Simplify right side
   2,485,075.05x = 4,794,081,748,464.10
5. Step 5: Solve for x
   x = 4,794,081,748,464.10/2,485,075.05
6. Step 6: Final answer
   x = 1,929,149.68