Finding the Fourth Proportional to 5,942.37, 8,915.17 and 2,478.81

Step by Step Solution

1. Step 1: Write the proportion equation
   5,942.37 : 8,915.17 = 2,478.81 : x
2. Step 2: Convert to fraction form
   5,942.37/8,915.17 = 2,478.81/x
3. Step 3: Cross multiply
   5,942.37x = 8,915.17 × 2,478.81
4. Step 4: Simplify right side
   5,942.37x = 22,099,012.55
5. Step 5: Solve for x
   x = 22,099,012.55/5,942.37
6. Step 6: Final answer
   x = 3,718.89