Finding the Fourth Proportional to 11,981.25, 17,974.80 and 3,773.25

Step by Step Solution

1. Step 1: Write the proportion equation
   11,981.25 : 17,974.80 = 3,773.25 : x
2. Step 2: Convert to fraction form
   11,981.25/17,974.80 = 3,773.25/x
3. Step 3: Cross multiply
   11,981.25x = 17,974.80 × 3,773.25
4. Step 4: Simplify right side
   11,981.25x = 67,823,414.10
5. Step 5: Solve for x
   x = 67,823,414.10/11,981.25
6. Step 6: Final answer
   x = 5,660.80