Finding the Fourth Proportional to 4,253.76, 5,870.88 and 3,554.88

Step by Step Solution

1. Step 1: Write the proportion equation
   4,253.76 : 5,870.88 = 3,554.88 : x
2. Step 2: Convert to fraction form
   4,253.76/5,870.88 = 3,554.88/x
3. Step 3: Cross multiply
   4,253.76x = 5,870.88 × 3,554.88
4. Step 4: Simplify right side
   4,253.76x = 20,870,273.89
5. Step 5: Solve for x
   x = 20,870,273.89/4,253.76
6. Step 6: Final answer
   x = 4,906.31