Finding the Fourth Proportional to 23,133.34, 31,916.16 and 15,063.31

Step by Step Solution

1. Step 1: Write the proportion equation
   23,133.34 : 31,916.16 = 15,063.31 : x
2. Step 2: Convert to fraction form
   23,133.34/31,916.16 = 15,063.31/x
3. Step 3: Cross multiply
   23,133.34x = 31,916.16 × 15,063.31
4. Step 4: Simplify right side
   23,133.34x = 480,763,012.09
5. Step 5: Solve for x
   x = 480,763,012.09/23,133.34
6. Step 6: Final answer
   x = 20,782.26