Finding the Fourth Proportional to 805,612.02, 1,111,722.42 and 443,035.89

Step by Step Solution

1. Step 1: Write the proportion equation
   805,612.02 : 1,111,722.42 = 443,035.89 : x
2. Step 2: Convert to fraction form
   805,612.02/1,111,722.42 = 443,035.89/x
3. Step 3: Cross multiply
   805,612.02x = 1,111,722.42 × 443,035.89
4. Step 4: Simplify right side
   805,612.02x = 492,532,931,777.65
5. Step 5: Solve for x
   x = 492,532,931,777.65/805,612.02
6. Step 6: Final answer
   x = 611,377.34