Finding the Fourth Proportional to 23,559.69, 32,512.28 and 12,949.77

Step by Step Solution

1. Step 1: Write the proportion equation
   23,559.69 : 32,512.28 = 12,949.77 : x
2. Step 2: Convert to fraction form
   23,559.69/32,512.28 = 12,949.77/x
3. Step 3: Cross multiply
   23,559.69x = 32,512.28 × 12,949.77
4. Step 4: Simplify right side
   23,559.69x = 421,026,483.43
5. Step 5: Solve for x
   x = 421,026,483.43/23,559.69
6. Step 6: Final answer
   x = 17,870.63