Finding the Fourth Proportional to 805,936.59, 1,112,157.35 and 443,337.45

Step by Step Solution

1. Step 1: Write the proportion equation
   805,936.59 : 1,112,157.35 = 443,337.45 : x
2. Step 2: Convert to fraction form
   805,936.59/1,112,157.35 = 443,337.45/x
3. Step 3: Cross multiply
   805,936.59x = 1,112,157.35 × 443,337.45
4. Step 4: Simplify right side
   805,936.59x = 493,061,003,547.76
5. Step 5: Solve for x
   x = 493,061,003,547.76/805,936.59
6. Step 6: Final answer
   x = 611,786.35