Finding the Fourth Proportional to 806,817.72, 1,113,399.06 and 444,233.88

Step by Step Solution

1. Step 1: Write the proportion equation
   806,817.72 : 1,113,399.06 = 444,233.88 : x
2. Step 2: Convert to fraction form
   806,817.72/1,113,399.06 = 444,233.88/x
3. Step 3: Cross multiply
   806,817.72x = 1,113,399.06 × 444,233.88
4. Step 4: Simplify right side
   806,817.72x = 494,609,584,412.15
5. Step 5: Solve for x
   x = 494,609,584,412.15/806,817.72
6. Step 6: Final answer
   x = 613,037.58