Finding the Fourth Proportional to 3,669.73, 5,507.55 and 1,915.27

Step by Step Solution

1. Step 1: Write the proportion equation
   3,669.73 : 5,507.55 = 1,915.27 : x
2. Step 2: Convert to fraction form
   3,669.73/5,507.55 = 1,915.27/x
3. Step 3: Cross multiply
   3,669.73x = 5,507.55 × 1,915.27
4. Step 4: Simplify right side
   3,669.73x = 10,548,445.29
5. Step 5: Solve for x
   x = 10,548,445.29/3,669.73
6. Step 6: Final answer
   x = 2,874.45