Finding the Fourth Proportional to 11,874.76, 17,799.72 and 3,975.28

Step by Step Solution

1. Step 1: Write the proportion equation
   11,874.76 : 17,799.72 = 3,975.28 : x
2. Step 2: Convert to fraction form
   11,874.76/17,799.72 = 3,975.28/x
3. Step 3: Cross multiply
   11,874.76x = 17,799.72 × 3,975.28
4. Step 4: Simplify right side
   11,874.76x = 70,758,870.92
5. Step 5: Solve for x
   x = 70,758,870.92/11,874.76
6. Step 6: Final answer
   x = 5,958.76