Finding the Fourth Proportional to 23,530.50, 32,470.47 and 12,917.94

Step by Step Solution

1. Step 1: Write the proportion equation
   23,530.50 : 32,470.47 = 12,917.94 : x
2. Step 2: Convert to fraction form
   23,530.50/32,470.47 = 12,917.94/x
3. Step 3: Cross multiply
   23,530.50x = 32,470.47 × 12,917.94
4. Step 4: Simplify right side
   23,530.50x = 419,451,583.23
5. Step 5: Solve for x
   x = 419,451,583.23/23,530.50
6. Step 6: Final answer
   x = 17,825.87