Finding the Fourth Proportional to 1,311,741.69, 1,963,168.38 and 806,622.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,311,741.69 : 1,963,168.38 = 806,622.59 : x
2. Step 2: Convert to fraction form
   1,311,741.69/1,963,168.38 = 806,622.59/x
3. Step 3: Cross multiply
   1,311,741.69x = 1,963,168.38 × 806,622.59
4. Step 4: Simplify right side
   1,311,741.69x = 1,583,535,953,465.86
5. Step 5: Solve for x
   x = 1,583,535,953,465.86/1,311,741.69
6. Step 6: Final answer
   x = 1,207,201.06