Finding the Fourth Proportional to 3,967.38, 5,955.93 and 3,810.78

Step by Step Solution

1. Step 1: Write the proportion equation
   3,967.38 : 5,955.93 = 3,810.78 : x
2. Step 2: Convert to fraction form
   3,967.38/5,955.93 = 3,810.78/x
3. Step 3: Cross multiply
   3,967.38x = 5,955.93 × 3,810.78
4. Step 4: Simplify right side
   3,967.38x = 22,696,738.93
5. Step 5: Solve for x
   x = 22,696,738.93/3,967.38
6. Step 6: Final answer
   x = 5,720.84