Finding the Fourth Proportional to 2,856,383.12, 4,284,556.18 and 726,448.84

Step by Step Solution

1. Step 1: Write the proportion equation
   2,856,383.12 : 4,284,556.18 = 726,448.84 : x
2. Step 2: Convert to fraction form
   2,856,383.12/4,284,556.18 = 726,448.84/x
3. Step 3: Cross multiply
   2,856,383.12x = 4,284,556.18 × 726,448.84
4. Step 4: Simplify right side
   2,856,383.12x = 3,112,510,866,875.83
5. Step 5: Solve for x
   x = 3,112,510,866,875.83/2,856,383.12
6. Step 6: Final answer
   x = 1,089,668.55