Finding the Fourth Proportional to 28,145.52, 42,212.52 and 16,449.84

Step by Step Solution

1. Step 1: Write the proportion equation
   28,145.52 : 42,212.52 = 16,449.84 : x
2. Step 2: Convert to fraction form
   28,145.52/42,212.52 = 16,449.84/x
3. Step 3: Cross multiply
   28,145.52x = 42,212.52 × 16,449.84
4. Step 4: Simplify right side
   28,145.52x = 694,389,200.00
5. Step 5: Solve for x
   x = 694,389,200.00/28,145.52
6. Step 6: Final answer
   x = 24,671.39