Finding the Fourth Proportional to 22,583.72, 31,170.71 and 15,030.37

Step by Step Solution

1. Step 1: Write the proportion equation
   22,583.72 : 31,170.71 = 15,030.37 : x
2. Step 2: Convert to fraction form
   22,583.72/31,170.71 = 15,030.37/x
3. Step 3: Cross multiply
   22,583.72x = 31,170.71 × 15,030.37
4. Step 4: Simplify right side
   22,583.72x = 468,507,073.46
5. Step 5: Solve for x
   x = 468,507,073.46/22,583.72
6. Step 6: Final answer
   x = 20,745.35