Finding the Fourth Proportional to 2,685.54, 4,025.87 and 953.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,685.54 : 4,025.87 = 953.76 : x
2. Step 2: Convert to fraction form
   2,685.54/4,025.87 = 953.76/x
3. Step 3: Cross multiply
   2,685.54x = 4,025.87 × 953.76
4. Step 4: Simplify right side
   2,685.54x = 3,839,710.40
5. Step 5: Solve for x
   x = 3,839,710.40/2,685.54
6. Step 6: Final answer
   x = 1,429.77