Finding the Fourth Proportional to 5,439.56, 7,503.72 and 3,446.70

Step by Step Solution

1. Step 1: Write the proportion equation
   5,439.56 : 7,503.72 = 3,446.70 : x
2. Step 2: Convert to fraction form
   5,439.56/7,503.72 = 3,446.70/x
3. Step 3: Cross multiply
   5,439.56x = 7,503.72 × 3,446.70
4. Step 4: Simplify right side
   5,439.56x = 25,863,071.72
5. Step 5: Solve for x
   x = 25,863,071.72/5,439.56
6. Step 6: Final answer
   x = 4,754.63