Finding the Fourth Proportional to 3,190.25, 4,402.61 and 1,774.05

Step by Step Solution

1. Step 1: Write the proportion equation
   3,190.25 : 4,402.61 = 1,774.05 : x
2. Step 2: Convert to fraction form
   3,190.25/4,402.61 = 1,774.05/x
3. Step 3: Cross multiply
   3,190.25x = 4,402.61 × 1,774.05
4. Step 4: Simplify right side
   3,190.25x = 7,810,441.40
5. Step 5: Solve for x
   x = 7,810,441.40/3,190.25
6. Step 6: Final answer
   x = 2,448.23