Finding the Fourth Proportional to 380,105.33, 570,157.99 and 174,919.27

Step by Step Solution

1. Step 1: Write the proportion equation
   380,105.33 : 570,157.99 = 174,919.27 : x
2. Step 2: Convert to fraction form
   380,105.33/570,157.99 = 174,919.27/x
3. Step 3: Cross multiply
   380,105.33x = 570,157.99 × 174,919.27
4. Step 4: Simplify right side
   380,105.33x = 99,731,620,205.39
5. Step 5: Solve for x
   x = 99,731,620,205.39/380,105.33
6. Step 6: Final answer
   x = 262,378.90