Finding the Fourth Proportional to 1,016,147.28, 1,402,398.72 and 586,542.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,016,147.28 : 1,402,398.72 = 586,542.72 : x
2. Step 2: Convert to fraction form
   1,016,147.28/1,402,398.72 = 586,542.72/x
3. Step 3: Cross multiply
   1,016,147.28x = 1,402,398.72 × 586,542.72
4. Step 4: Simplify right side
   1,016,147.28x = 822,566,759,753.32
5. Step 5: Solve for x
   x = 822,566,759,753.32/1,016,147.28
6. Step 6: Final answer
   x = 809,495.61