Finding the Fourth Proportional to 969,045.12, 1,453,456.96 and 259,128.52

Step by Step Solution

1. Step 1: Write the proportion equation
   969,045.12 : 1,453,456.96 = 259,128.52 : x
2. Step 2: Convert to fraction form
   969,045.12/1,453,456.96 = 259,128.52/x
3. Step 3: Cross multiply
   969,045.12x = 1,453,456.96 × 259,128.52
4. Step 4: Simplify right side
   969,045.12x = 376,632,150,928.50
5. Step 5: Solve for x
   x = 376,632,150,928.50/969,045.12
6. Step 6: Final answer
   x = 388,663.17