Finding the Fourth Proportional to 2,561.38, 3,839.19 and 1,190.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,561.38 : 3,839.19 = 1,190.50 : x
2. Step 2: Convert to fraction form
   2,561.38/3,839.19 = 1,190.50/x
3. Step 3: Cross multiply
   2,561.38x = 3,839.19 × 1,190.50
4. Step 4: Simplify right side
   2,561.38x = 4,570,555.70
5. Step 5: Solve for x
   x = 4,570,555.70/2,561.38
6. Step 6: Final answer
   x = 1,784.41