Finding the Fourth Proportional to 1,356,806.22, 1,873,268.83 and 841,111.21

Step by Step Solution

1. Step 1: Write the proportion equation
   1,356,806.22 : 1,873,268.83 = 841,111.21 : x
2. Step 2: Convert to fraction form
   1,356,806.22/1,873,268.83 = 841,111.21/x
3. Step 3: Cross multiply
   1,356,806.22x = 1,873,268.83 × 841,111.21
4. Step 4: Simplify right side
   1,356,806.22x = 1,575,627,412,256.58
5. Step 5: Solve for x
   x = 1,575,627,412,256.58/1,356,806.22
6. Step 6: Final answer
   x = 1,161,276.67