Finding the Fourth Proportional to 3,915.84, 5,869.78 and 2,456.01

Step by Step Solution

1. Step 1: Write the proportion equation
   3,915.84 : 5,869.78 = 2,456.01 : x
2. Step 2: Convert to fraction form
   3,915.84/5,869.78 = 2,456.01/x
3. Step 3: Cross multiply
   3,915.84x = 5,869.78 × 2,456.01
4. Step 4: Simplify right side
   3,915.84x = 14,416,238.38
5. Step 5: Solve for x
   x = 14,416,238.38/3,915.84
6. Step 6: Final answer
   x = 3,681.52