Finding the Fourth Proportional to 1,016,155.28, 1,402,409.76 and 586,550.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,016,155.28 : 1,402,409.76 = 586,550.72 : x
2. Step 2: Convert to fraction form
   1,016,155.28/1,402,409.76 = 586,550.72/x
3. Step 3: Cross multiply
   1,016,155.28x = 1,402,409.76 × 586,550.72
4. Step 4: Simplify right side
   1,016,155.28x = 822,584,454,463.03
5. Step 5: Solve for x
   x = 822,584,454,463.03/1,016,155.28
6. Step 6: Final answer
   x = 809,506.65