Finding the Fourth Proportional to 7,170.42, 10,756.17 and 1,976.25

Step by Step Solution

1. Step 1: Write the proportion equation
   7,170.42 : 10,756.17 = 1,976.25 : x
2. Step 2: Convert to fraction form
   7,170.42/10,756.17 = 1,976.25/x
3. Step 3: Cross multiply
   7,170.42x = 10,756.17 × 1,976.25
4. Step 4: Simplify right side
   7,170.42x = 21,256,880.96
5. Step 5: Solve for x
   x = 21,256,880.96/7,170.42
6. Step 6: Final answer
   x = 2,964.52