Finding the Fourth Proportional to 2,398.32, 3,308.04 and 2,152.08

Step by Step Solution

1. Step 1: Write the proportion equation
   2,398.32 : 3,308.04 = 2,152.08 : x
2. Step 2: Convert to fraction form
   2,398.32/3,308.04 = 2,152.08/x
3. Step 3: Cross multiply
   2,398.32x = 3,308.04 × 2,152.08
4. Step 4: Simplify right side
   2,398.32x = 7,119,166.72
5. Step 5: Solve for x
   x = 7,119,166.72/2,398.32
6. Step 6: Final answer
   x = 2,968.40