Finding the Fourth Proportional to 5,908.55, 8,153.87 and 3,915.54

Step by Step Solution

1. Step 1: Write the proportion equation
   5,908.55 : 8,153.87 = 3,915.54 : x
2. Step 2: Convert to fraction form
   5,908.55/8,153.87 = 3,915.54/x
3. Step 3: Cross multiply
   5,908.55x = 8,153.87 × 3,915.54
4. Step 4: Simplify right side
   5,908.55x = 31,926,784.56
5. Step 5: Solve for x
   x = 31,926,784.56/5,908.55
6. Step 6: Final answer
   x = 5,403.49