Finding the Fourth Proportional to 1,016,196.20, 1,402,249.71 and 586,614.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,016,196.20 : 1,402,249.71 = 586,614.72 : x
2. Step 2: Convert to fraction form
   1,016,196.20/1,402,249.71 = 586,614.72/x
3. Step 3: Cross multiply
   1,016,196.20x = 1,402,249.71 × 586,614.72
4. Step 4: Simplify right side
   1,016,196.20x = 822,580,318,068.66
5. Step 5: Solve for x
   x = 822,580,318,068.66/1,016,196.20
6. Step 6: Final answer
   x = 809,469.98