Finding the Fourth Proportional to 1,389,139.56, 2,083,789.98 and 536,216.04

Step by Step Solution

1. Step 1: Write the proportion equation
   1,389,139.56 : 2,083,789.98 = 536,216.04 : x
2. Step 2: Convert to fraction form
   1,389,139.56/2,083,789.98 = 536,216.04/x
3. Step 3: Cross multiply
   1,389,139.56x = 2,083,789.98 × 536,216.04
4. Step 4: Simplify right side
   1,389,139.56x = 1,117,361,611,267.28
5. Step 5: Solve for x
   x = 1,117,361,611,267.28/1,389,139.56
6. Step 6: Final answer
   x = 804,355.19