Finding the Fourth Proportional to 23,123.91, 34,629.98 and 13,233.21

Step by Step Solution

1. Step 1: Write the proportion equation
   23,123.91 : 34,629.98 = 13,233.21 : x
2. Step 2: Convert to fraction form
   23,123.91/34,629.98 = 13,233.21/x
3. Step 3: Cross multiply
   23,123.91x = 34,629.98 × 13,233.21
4. Step 4: Simplify right side
   23,123.91x = 458,265,731.47
5. Step 5: Solve for x
   x = 458,265,731.47/23,123.91
6. Step 6: Final answer
   x = 19,817.83