Finding the Fourth Proportional to 28,607.97, 39,469.83 and 17,280.83

Step by Step Solution

1. Step 1: Write the proportion equation
   28,607.97 : 39,469.83 = 17,280.83 : x
2. Step 2: Convert to fraction form
   28,607.97/39,469.83 = 17,280.83/x
3. Step 3: Cross multiply
   28,607.97x = 39,469.83 × 17,280.83
4. Step 4: Simplify right side
   28,607.97x = 682,071,225.01
5. Step 5: Solve for x
   x = 682,071,225.01/28,607.97
6. Step 6: Final answer
   x = 23,842.00