Finding the Fourth Proportional to 1,469,816.69, 2,028,278.50 and 816,485.06

Step by Step Solution

1. Step 1: Write the proportion equation
   1,469,816.69 : 2,028,278.50 = 816,485.06 : x
2. Step 2: Convert to fraction form
   1,469,816.69/2,028,278.50 = 816,485.06/x
3. Step 3: Cross multiply
   1,469,816.69x = 2,028,278.50 × 816,485.06
4. Step 4: Simplify right side
   1,469,816.69x = 1,656,059,095,798.69
5. Step 5: Solve for x
   x = 1,656,059,095,798.69/1,469,816.69
6. Step 6: Final answer
   x = 1,126,711.32