Finding the Fourth Proportional to 23,137.50, 31,927.30 and 13,065.33

Step by Step Solution

1. Step 1: Write the proportion equation
   23,137.50 : 31,927.30 = 13,065.33 : x
2. Step 2: Convert to fraction form
   23,137.50/31,927.30 = 13,065.33/x
3. Step 3: Cross multiply
   23,137.50x = 31,927.30 × 13,065.33
4. Step 4: Simplify right side
   23,137.50x = 417,140,710.51
5. Step 5: Solve for x
   x = 417,140,710.51/23,137.50
6. Step 6: Final answer
   x = 18,028.77