Finding the Fourth Proportional to 23,738.78, 32,758.19 and 12,981.51

Step by Step Solution

1. Step 1: Write the proportion equation
   23,738.78 : 32,758.19 = 12,981.51 : x
2. Step 2: Convert to fraction form
   23,738.78/32,758.19 = 12,981.51/x
3. Step 3: Cross multiply
   23,738.78x = 32,758.19 × 12,981.51
4. Step 4: Simplify right side
   23,738.78x = 425,250,662.71
5. Step 5: Solve for x
   x = 425,250,662.71/23,738.78
6. Step 6: Final answer
   x = 17,913.76