Finding the Fourth Proportional to 5,419.63, 7,474.41 and 3,530.50

Step by Step Solution

1. Step 1: Write the proportion equation
   5,419.63 : 7,474.41 = 3,530.50 : x
2. Step 2: Convert to fraction form
   5,419.63/7,474.41 = 3,530.50/x
3. Step 3: Cross multiply
   5,419.63x = 7,474.41 × 3,530.50
4. Step 4: Simplify right side
   5,419.63x = 26,388,404.51
5. Step 5: Solve for x
   x = 26,388,404.51/5,419.63
6. Step 6: Final answer
   x = 4,869.04