Finding the Fourth Proportional to 766,171.56, 1,057,316.71 and 444,068.50

Step by Step Solution

1. Step 1: Write the proportion equation
   766,171.56 : 1,057,316.71 = 444,068.50 : x
2. Step 2: Convert to fraction form
   766,171.56/1,057,316.71 = 444,068.50/x
3. Step 3: Cross multiply
   766,171.56x = 1,057,316.71 × 444,068.50
4. Step 4: Simplify right side
   766,171.56x = 469,521,038,482.80
5. Step 5: Solve for x
   x = 469,521,038,482.80/766,171.56
6. Step 6: Final answer
   x = 612,814.49