Finding the Fourth Proportional to 11,941.76, 17,912.78 and 3,621.71

Step by Step Solution

1. Step 1: Write the proportion equation
   11,941.76 : 17,912.78 = 3,621.71 : x
2. Step 2: Convert to fraction form
   11,941.76/17,912.78 = 3,621.71/x
3. Step 3: Cross multiply
   11,941.76x = 17,912.78 × 3,621.71
4. Step 4: Simplify right side
   11,941.76x = 64,874,876.35
5. Step 5: Solve for x
   x = 64,874,876.35/11,941.76
6. Step 6: Final answer
   x = 5,432.61