Finding the Fourth Proportional to 22,932.51, 31,644.05 and 13,499.25

Step by Step Solution

1. Step 1: Write the proportion equation
   22,932.51 : 31,644.05 = 13,499.25 : x
2. Step 2: Convert to fraction form
   22,932.51/31,644.05 = 13,499.25/x
3. Step 3: Cross multiply
   22,932.51x = 31,644.05 × 13,499.25
4. Step 4: Simplify right side
   22,932.51x = 427,170,874.47
5. Step 5: Solve for x
   x = 427,170,874.47/22,932.51
6. Step 6: Final answer
   x = 18,627.31