Finding the Fourth Proportional to 9,758.35, 14,639.55 and 3,915.42

Step by Step Solution

1. Step 1: Write the proportion equation
   9,758.35 : 14,639.55 = 3,915.42 : x
2. Step 2: Convert to fraction form
   9,758.35/14,639.55 = 3,915.42/x
3. Step 3: Cross multiply
   9,758.35x = 14,639.55 × 3,915.42
4. Step 4: Simplify right side
   9,758.35x = 57,319,939.30
5. Step 5: Solve for x
   x = 57,319,939.30/9,758.35
6. Step 6: Final answer
   x = 5,873.94