Finding the Fourth Proportional to 1,015,826.68, 1,401,853.30 and 586,196.20

Step by Step Solution

1. Step 1: Write the proportion equation
   1,015,826.68 : 1,401,853.30 = 586,196.20 : x
2. Step 2: Convert to fraction form
   1,015,826.68/1,401,853.30 = 586,196.20/x
3. Step 3: Cross multiply
   1,015,826.68x = 1,401,853.30 × 586,196.20
4. Step 4: Simplify right side
   1,015,826.68x = 821,761,077,417.46
5. Step 5: Solve for x
   x = 821,761,077,417.46/1,015,826.68
6. Step 6: Final answer
   x = 808,957.96