Finding the Fourth Proportional to 10,205.84, 15,312.17 and 3,966.06

Step by Step Solution

1. Step 1: Write the proportion equation
   10,205.84 : 15,312.17 = 3,966.06 : x
2. Step 2: Convert to fraction form
   10,205.84/15,312.17 = 3,966.06/x
3. Step 3: Cross multiply
   10,205.84x = 15,312.17 × 3,966.06
4. Step 4: Simplify right side
   10,205.84x = 60,728,908.39
5. Step 5: Solve for x
   x = 60,728,908.39/10,205.84
6. Step 6: Final answer
   x = 5,950.41