Finding the Fourth Proportional to 7,180.46, 10,769.82 and 1,915.86

Step by Step Solution

1. Step 1: Write the proportion equation
   7,180.46 : 10,769.82 = 1,915.86 : x
2. Step 2: Convert to fraction form
   7,180.46/10,769.82 = 1,915.86/x
3. Step 3: Cross multiply
   7,180.46x = 10,769.82 × 1,915.86
4. Step 4: Simplify right side
   7,180.46x = 20,633,467.35
5. Step 5: Solve for x
   x = 20,633,467.35/7,180.46
6. Step 6: Final answer
   x = 2,873.56