Finding the Fourth Proportional to 2,895.14, 4,339.78 and 1,139.00

Step by Step Solution

1. Step 1: Write the proportion equation
   2,895.14 : 4,339.78 = 1,139.00 : x
2. Step 2: Convert to fraction form
   2,895.14/4,339.78 = 1,139.00/x
3. Step 3: Cross multiply
   2,895.14x = 4,339.78 × 1,139.00
4. Step 4: Simplify right side
   2,895.14x = 4,942,984.87
5. Step 5: Solve for x
   x = 4,942,984.87/2,895.14
6. Step 6: Final answer
   x = 1,707.34