Finding the Fourth Proportional to 2,205,131.28, 3,303,268.16 and 1,005,403.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,205,131.28 : 3,303,268.16 = 1,005,403.28 : x
2. Step 2: Convert to fraction form
   2,205,131.28/3,303,268.16 = 1,005,403.28/x
3. Step 3: Cross multiply
   2,205,131.28x = 3,303,268.16 × 1,005,403.28
4. Step 4: Simplify right side
   2,205,131.28x = 3,321,116,642,783.57
5. Step 5: Solve for x
   x = 3,321,116,642,783.57/2,205,131.28
6. Step 6: Final answer
   x = 1,506,085.68