Finding the Fourth Proportional to 28,104.00, 38,766.54 and 18,540.50

Step by Step Solution

1. Step 1: Write the proportion equation
   28,104.00 : 38,766.54 = 18,540.50 : x
2. Step 2: Convert to fraction form
   28,104.00/38,766.54 = 18,540.50/x
3. Step 3: Cross multiply
   28,104.00x = 38,766.54 × 18,540.50
4. Step 4: Simplify right side
   28,104.00x = 718,750,910.56
5. Step 5: Solve for x
   x = 718,750,910.56/28,104.00
6. Step 6: Final answer
   x = 25,574.69