Finding the Fourth Proportional to 805,449.59, 1,111,524.59 and 442,896.83

Step by Step Solution

1. Step 1: Write the proportion equation
   805,449.59 : 1,111,524.59 = 442,896.83 : x
2. Step 2: Convert to fraction form
   805,449.59/1,111,524.59 = 442,896.83/x
3. Step 3: Cross multiply
   805,449.59x = 1,111,524.59 × 442,896.83
4. Step 4: Simplify right side
   805,449.59x = 492,290,709,605.94
5. Step 5: Solve for x
   x = 492,290,709,605.94/805,449.59
6. Step 6: Final answer
   x = 611,199.90