Finding the Fourth Proportional to 11,378.27, 17,063.94 and 3,981.35

Step by Step Solution

1. Step 1: Write the proportion equation
   11,378.27 : 17,063.94 = 3,981.35 : x
2. Step 2: Convert to fraction form
   11,378.27/17,063.94 = 3,981.35/x
3. Step 3: Cross multiply
   11,378.27x = 17,063.94 × 3,981.35
4. Step 4: Simplify right side
   11,378.27x = 67,937,517.52
5. Step 5: Solve for x
   x = 67,937,517.52/11,378.27
6. Step 6: Final answer
   x = 5,970.81