Finding the Fourth Proportional to 2,399.08, 3,602.16 and 1,478.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,399.08 : 3,602.16 = 1,478.50 : x
2. Step 2: Convert to fraction form
   2,399.08/3,602.16 = 1,478.50/x
3. Step 3: Cross multiply
   2,399.08x = 3,602.16 × 1,478.50
4. Step 4: Simplify right side
   2,399.08x = 5,325,793.56
5. Step 5: Solve for x
   x = 5,325,793.56/2,399.08
6. Step 6: Final answer
   x = 2,219.93