Finding the Fourth Proportional to 22,933.51, 31,645.42 and 13,500.25

Step by Step Solution

1. Step 1: Write the proportion equation
   22,933.51 : 31,645.42 = 13,500.25 : x
2. Step 2: Convert to fraction form
   22,933.51/31,645.42 = 13,500.25/x
3. Step 3: Cross multiply
   22,933.51x = 31,645.42 × 13,500.25
4. Step 4: Simplify right side
   22,933.51x = 427,221,081.36
5. Step 5: Solve for x
   x = 427,221,081.36/22,933.51
6. Step 6: Final answer
   x = 18,628.68