Finding the Fourth Proportional to 28,799.49, 39,743.69 and 16,052.31

Step by Step Solution

1. Step 1: Write the proportion equation
   28,799.49 : 39,743.69 = 16,052.31 : x
2. Step 2: Convert to fraction form
   28,799.49/39,743.69 = 16,052.31/x
3. Step 3: Cross multiply
   28,799.49x = 39,743.69 × 16,052.31
4. Step 4: Simplify right side
   28,799.49x = 637,978,032.42
5. Step 5: Solve for x
   x = 637,978,032.42/28,799.49
6. Step 6: Final answer
   x = 22,152.41