Finding the Fourth Proportional to 1,075,788.72, 1,613,216.52 and 365,626.08

Step by Step Solution

1. Step 1: Write the proportion equation
   1,075,788.72 : 1,613,216.52 = 365,626.08 : x
2. Step 2: Convert to fraction form
   1,075,788.72/1,613,216.52 = 365,626.08/x
3. Step 3: Cross multiply
   1,075,788.72x = 1,613,216.52 × 365,626.08
4. Step 4: Simplify right side
   1,075,788.72x = 589,834,032,398.84
5. Step 5: Solve for x
   x = 589,834,032,398.84/1,075,788.72
6. Step 6: Final answer
   x = 548,280.55