Finding the Fourth Proportional to 5,610.54, 8,415.72 and 1,912.72

Step by Step Solution

1. Step 1: Write the proportion equation
   5,610.54 : 8,415.72 = 1,912.72 : x
2. Step 2: Convert to fraction form
   5,610.54/8,415.72 = 1,912.72/x
3. Step 3: Cross multiply
   5,610.54x = 8,415.72 × 1,912.72
4. Step 4: Simplify right side
   5,610.54x = 16,096,915.96
5. Step 5: Solve for x
   x = 16,096,915.96/5,610.54
6. Step 6: Final answer
   x = 2,869.05