Finding the Fourth Proportional to 11,375.49, 17,062.71 and 3,981.61

Step by Step Solution

1. Step 1: Write the proportion equation
   11,375.49 : 17,062.71 = 3,981.61 : x
2. Step 2: Convert to fraction form
   11,375.49/17,062.71 = 3,981.61/x
3. Step 3: Cross multiply
   11,375.49x = 17,062.71 × 3,981.61
4. Step 4: Simplify right side
   11,375.49x = 67,937,056.76
5. Step 5: Solve for x
   x = 67,937,056.76/11,375.49
6. Step 6: Final answer
   x = 5,972.23