Finding the Fourth Proportional to 23,518.37, 32,454.27 and 12,908.18

Step by Step Solution

1. Step 1: Write the proportion equation
   23,518.37 : 32,454.27 = 12,908.18 : x
2. Step 2: Convert to fraction form
   23,518.37/32,454.27 = 12,908.18/x
3. Step 3: Cross multiply
   23,518.37x = 32,454.27 × 12,908.18
4. Step 4: Simplify right side
   23,518.37x = 418,925,640.06
5. Step 5: Solve for x
   x = 418,925,640.06/23,518.37
6. Step 6: Final answer
   x = 17,812.70