Finding the Fourth Proportional to 1,991,036.69, 2,747,633.36 and 1,085,618.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,991,036.69 : 2,747,633.36 = 1,085,618.69 : x
2. Step 2: Convert to fraction form
   1,991,036.69/2,747,633.36 = 1,085,618.69/x
3. Step 3: Cross multiply
   1,991,036.69x = 2,747,633.36 × 1,085,618.69
4. Step 4: Simplify right side
   1,991,036.69x = 2,982,882,128,883.50
5. Step 5: Solve for x
   x = 2,982,882,128,883.50/1,991,036.69
6. Step 6: Final answer
   x = 1,498,155.28