Finding the Fourth Proportional to 23,981.01, 35,981.90 and 12,874.74

Step by Step Solution

1. Step 1: Write the proportion equation
   23,981.01 : 35,981.90 = 12,874.74 : x
2. Step 2: Convert to fraction form
   23,981.01/35,981.90 = 12,874.74/x
3. Step 3: Cross multiply
   23,981.01x = 35,981.90 × 12,874.74
4. Step 4: Simplify right side
   23,981.01x = 463,257,542.83
5. Step 5: Solve for x
   x = 463,257,542.83/23,981.01
6. Step 6: Final answer
   x = 19,317.68