Finding the Fourth Proportional to 5,419.59, 7,479.18 and 3,322.50

Step by Step Solution

1. Step 1: Write the proportion equation
   5,419.59 : 7,479.18 = 3,322.50 : x
2. Step 2: Convert to fraction form
   5,419.59/7,479.18 = 3,322.50/x
3. Step 3: Cross multiply
   5,419.59x = 7,479.18 × 3,322.50
4. Step 4: Simplify right side
   5,419.59x = 24,849,575.55
5. Step 5: Solve for x
   x = 24,849,575.55/5,419.59
6. Step 6: Final answer
   x = 4,585.14