Finding the Fourth Proportional to 2,204,670.69, 3,305,719.01 and 855,256.59

Step by Step Solution

1. Step 1: Write the proportion equation
   2,204,670.69 : 3,305,719.01 = 855,256.59 : x
2. Step 2: Convert to fraction form
   2,204,670.69/3,305,719.01 = 855,256.59/x
3. Step 3: Cross multiply
   2,204,670.69x = 3,305,719.01 × 855,256.59
4. Step 4: Simplify right side
   2,204,670.69x = 2,827,237,970,128.92
5. Step 5: Solve for x
   x = 2,827,237,970,128.92/2,204,670.69
6. Step 6: Final answer
   x = 1,282,385.61