Finding the Fourth Proportional to 4,915.34, 7,374.18 and 1,628.27

Step by Step Solution

1. Step 1: Write the proportion equation
   4,915.34 : 7,374.18 = 1,628.27 : x
2. Step 2: Convert to fraction form
   4,915.34/7,374.18 = 1,628.27/x
3. Step 3: Cross multiply
   4,915.34x = 7,374.18 × 1,628.27
4. Step 4: Simplify right side
   4,915.34x = 12,007,156.07
5. Step 5: Solve for x
   x = 12,007,156.07/4,915.34
6. Step 6: Final answer
   x = 2,442.79