Finding the Fourth Proportional to 2,448.16, 3,654.32 and 2,156.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,448.16 : 3,654.32 = 2,156.56 : x
2. Step 2: Convert to fraction form
   2,448.16/3,654.32 = 2,156.56/x
3. Step 3: Cross multiply
   2,448.16x = 3,654.32 × 2,156.56
4. Step 4: Simplify right side
   2,448.16x = 7,880,760.34
5. Step 5: Solve for x
   x = 7,880,760.34/2,448.16
6. Step 6: Final answer
   x = 3,219.05