Finding the Fourth Proportional to 11,772.42, 17,661.06 and 3,981.84

Step by Step Solution

1. Step 1: Write the proportion equation
   11,772.42 : 17,661.06 = 3,981.84 : x
2. Step 2: Convert to fraction form
   11,772.42/17,661.06 = 3,981.84/x
3. Step 3: Cross multiply
   11,772.42x = 17,661.06 × 3,981.84
4. Step 4: Simplify right side
   11,772.42x = 70,323,515.15
5. Step 5: Solve for x
   x = 70,323,515.15/11,772.42
6. Step 6: Final answer
   x = 5,973.58