Finding the Fourth Proportional to 23,012.42, 34,463.26 and 13,121.71

Step by Step Solution

1. Step 1: Write the proportion equation
   23,012.42 : 34,463.26 = 13,121.71 : x
2. Step 2: Convert to fraction form
   23,012.42/34,463.26 = 13,121.71/x
3. Step 3: Cross multiply
   23,012.42x = 34,463.26 × 13,121.71
4. Step 4: Simplify right side
   23,012.42x = 452,216,903.37
5. Step 5: Solve for x
   x = 452,216,903.37/23,012.42
6. Step 6: Final answer
   x = 19,650.99