Finding the Fourth Proportional to 805,557.37, 1,111,697.71 and 443,008.82

Step by Step Solution

1. Step 1: Write the proportion equation
   805,557.37 : 1,111,697.71 = 443,008.82 : x
2. Step 2: Convert to fraction form
   805,557.37/1,111,697.71 = 443,008.82/x
3. Step 3: Cross multiply
   805,557.37x = 1,111,697.71 × 443,008.82
4. Step 4: Simplify right side
   805,557.37x = 492,491,890,703.80
5. Step 5: Solve for x
   x = 492,491,890,703.80/805,557.37
6. Step 6: Final answer
   x = 611,367.87