Finding the Fourth Proportional to 1,075,805.72, 1,613,242.02 and 365,643.08

Step by Step Solution

1. Step 1: Write the proportion equation
   1,075,805.72 : 1,613,242.02 = 365,643.08 : x
2. Step 2: Convert to fraction form
   1,075,805.72/1,613,242.02 = 365,643.08/x
3. Step 3: Cross multiply
   1,075,805.72x = 1,613,242.02 × 365,643.08
4. Step 4: Simplify right side
   1,075,805.72x = 589,870,780,978.22
5. Step 5: Solve for x
   x = 589,870,780,978.22/1,075,805.72
6. Step 6: Final answer
   x = 548,306.05