Finding the Fourth Proportional to 2,525.31, 3,787.36 and 964.74

Step by Step Solution

1. Step 1: Write the proportion equation
   2,525.31 : 3,787.36 = 964.74 : x
2. Step 2: Convert to fraction form
   2,525.31/3,787.36 = 964.74/x
3. Step 3: Cross multiply
   2,525.31x = 3,787.36 × 964.74
4. Step 4: Simplify right side
   2,525.31x = 3,653,817.69
5. Step 5: Solve for x
   x = 3,653,817.69/2,525.31
6. Step 6: Final answer
   x = 1,446.88