Finding the Fourth Proportional to 11,377.47, 17,066.25 and 3,981.96

Step by Step Solution

1. Step 1: Write the proportion equation
   11,377.47 : 17,066.25 = 3,981.96 : x
2. Step 2: Convert to fraction form
   11,377.47/17,066.25 = 3,981.96/x
3. Step 3: Cross multiply
   11,377.47x = 17,066.25 × 3,981.96
4. Step 4: Simplify right side
   11,377.47x = 67,957,124.85
5. Step 5: Solve for x
   x = 67,957,124.85/11,377.47
6. Step 6: Final answer
   x = 5,972.96