Finding the Fourth Proportional to 5,412.89, 7,464.84 and 3,419.98

Step by Step Solution

1. Step 1: Write the proportion equation
   5,412.89 : 7,464.84 = 3,419.98 : x
2. Step 2: Convert to fraction form
   5,412.89/7,464.84 = 3,419.98/x
3. Step 3: Cross multiply
   5,412.89x = 7,464.84 × 3,419.98
4. Step 4: Simplify right side
   5,412.89x = 25,529,603.50
5. Step 5: Solve for x
   x = 25,529,603.50/5,412.89
6. Step 6: Final answer
   x = 4,716.45