Finding the Fourth Proportional to 11,813.85, 17,731.62 and 5,974.56

Step by Step Solution

1. Step 1: Write the proportion equation
   11,813.85 : 17,731.62 = 5,974.56 : x
2. Step 2: Convert to fraction form
   11,813.85/17,731.62 = 5,974.56/x
3. Step 3: Cross multiply
   11,813.85x = 17,731.62 × 5,974.56
4. Step 4: Simplify right side
   11,813.85x = 105,938,627.59
5. Step 5: Solve for x
   x = 105,938,627.59/11,813.85
6. Step 6: Final answer
   x = 8,967.32