Finding the Fourth Proportional to 2,561,016.54, 3,841,820.06 and 855,386.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,561,016.54 : 3,841,820.06 = 855,386.18 : x
2. Step 2: Convert to fraction form
   2,561,016.54/3,841,820.06 = 855,386.18/x
3. Step 3: Cross multiply
   2,561,016.54x = 3,841,820.06 × 855,386.18
4. Step 4: Simplify right side
   2,561,016.54x = 3,286,239,761,884.74
5. Step 5: Solve for x
   x = 3,286,239,761,884.74/2,561,016.54
6. Step 6: Final answer
   x = 1,283,177.88