Finding the Fourth Proportional to 5,419.61, 7,484.52 and 4,669.37

Step by Step Solution

1. Step 1: Write the proportion equation
   5,419.61 : 7,484.52 = 4,669.37 : x
2. Step 2: Convert to fraction form
   5,419.61/7,484.52 = 4,669.37/x
3. Step 3: Cross multiply
   5,419.61x = 7,484.52 × 4,669.37
4. Step 4: Simplify right side
   5,419.61x = 34,947,993.15
5. Step 5: Solve for x
   x = 34,947,993.15/5,419.61
6. Step 6: Final answer
   x = 6,448.43