Finding the Fourth Proportional to 1,669,036.82, 2,303,272.05 and 905,090.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,669,036.82 : 2,303,272.05 = 905,090.18 : x
2. Step 2: Convert to fraction form
   1,669,036.82/2,303,272.05 = 905,090.18/x
3. Step 3: Cross multiply
   1,669,036.82x = 2,303,272.05 × 905,090.18
4. Step 4: Simplify right side
   1,669,036.82x = 2,084,668,914,323.47
5. Step 5: Solve for x
   x = 2,084,668,914,323.47/1,669,036.82
6. Step 6: Final answer
   x = 1,249,025.12