Finding the Fourth Proportional to 1,151,806.20, 1,589,490.69 and 635,559.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,151,806.20 : 1,589,490.69 = 635,559.69 : x
2. Step 2: Convert to fraction form
   1,151,806.20/1,589,490.69 = 635,559.69/x
3. Step 3: Cross multiply
   1,151,806.20x = 1,589,490.69 × 635,559.69
4. Step 4: Simplify right side
   1,151,806.20x = 1,010,216,199,069.03
5. Step 5: Solve for x
   x = 1,010,216,199,069.03/1,151,806.20
6. Step 6: Final answer
   x = 877,071.33