Finding the Fourth Proportional to 1,581,111.29, 2,181,940.54 and 855,959.00

Step by Step Solution

1. Step 1: Write the proportion equation
   1,581,111.29 : 2,181,940.54 = 855,959.00 : x
2. Step 2: Convert to fraction form
   1,581,111.29/2,181,940.54 = 855,959.00/x
3. Step 3: Cross multiply
   1,581,111.29x = 2,181,940.54 × 855,959.00
4. Step 4: Simplify right side
   1,581,111.29x = 1,867,651,629,628.26
5. Step 5: Solve for x
   x = 1,867,651,629,628.26/1,581,111.29
6. Step 6: Final answer
   x = 1,181,227.18