Finding the Fourth Proportional to 9,760.32, 14,638.32 and 3,915.36

Step by Step Solution

1. Step 1: Write the proportion equation
   9,760.32 : 14,638.32 = 3,915.36 : x
2. Step 2: Convert to fraction form
   9,760.32/14,638.32 = 3,915.36/x
3. Step 3: Cross multiply
   9,760.32x = 14,638.32 × 3,915.36
4. Step 4: Simplify right side
   9,760.32x = 57,314,292.60
5. Step 5: Solve for x
   x = 57,314,292.60/9,760.32
6. Step 6: Final answer
   x = 5,872.17