Finding the Fourth Proportional to 2,424.32, 3,631.16 and 2,147.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,424.32 : 3,631.16 = 2,147.50 : x
2. Step 2: Convert to fraction form
   2,424.32/3,631.16 = 2,147.50/x
3. Step 3: Cross multiply
   2,424.32x = 3,631.16 × 2,147.50
4. Step 4: Simplify right side
   2,424.32x = 7,797,916.10
5. Step 5: Solve for x
   x = 7,797,916.10/2,424.32
6. Step 6: Final answer
   x = 3,216.54