Finding the Fourth Proportional to 23,491.33, 32,417.76 and 12,880.87

Step by Step Solution

1. Step 1: Write the proportion equation
   23,491.33 : 32,417.76 = 12,880.87 : x
2. Step 2: Convert to fraction form
   23,491.33/32,417.76 = 12,880.87/x
3. Step 3: Cross multiply
   23,491.33x = 32,417.76 × 12,880.87
4. Step 4: Simplify right side
   23,491.33x = 417,568,952.25
5. Step 5: Solve for x
   x = 417,568,952.25/23,491.33
6. Step 6: Final answer
   x = 17,775.45