Finding the Fourth Proportional to 1,053,173.39, 1,578,800.43 and 379,096.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,053,173.39 : 1,578,800.43 = 379,096.25 : x
2. Step 2: Convert to fraction form
   1,053,173.39/1,578,800.43 = 379,096.25/x
3. Step 3: Cross multiply
   1,053,173.39x = 1,578,800.43 × 379,096.25
4. Step 4: Simplify right side
   1,053,173.39x = 598,517,314,617.39
5. Step 5: Solve for x
   x = 598,517,314,617.39/1,053,173.39
6. Step 6: Final answer
   x = 568,298.94