Finding the Fourth Proportional to 32,981.28, 45,516.72 and 18,838.56

Step by Step Solution

1. Step 1: Write the proportion equation
   32,981.28 : 45,516.72 = 18,838.56 : x
2. Step 2: Convert to fraction form
   32,981.28/45,516.72 = 18,838.56/x
3. Step 3: Cross multiply
   32,981.28x = 45,516.72 × 18,838.56
4. Step 4: Simplify right side
   32,981.28x = 857,469,460.72
5. Step 5: Solve for x
   x = 857,469,460.72/32,981.28
6. Step 6: Final answer
   x = 25,998.67