Finding the Fourth Proportional to 745,452.69, 1,118,357.78 and 240,061.29

Step by Step Solution

1. Step 1: Write the proportion equation
   745,452.69 : 1,118,357.78 = 240,061.29 : x
2. Step 2: Convert to fraction form
   745,452.69/1,118,357.78 = 240,061.29/x
3. Step 3: Cross multiply
   745,452.69x = 1,118,357.78 × 240,061.29
4. Step 4: Simplify right side
   745,452.69x = 268,474,410,148.03
5. Step 5: Solve for x
   x = 268,474,410,148.03/745,452.69
6. Step 6: Final answer
   x = 360,149.50