Finding the Fourth Proportional to 4,729.72, 7,096.20 and 1,808.86

Step by Step Solution

1. Step 1: Write the proportion equation
   4,729.72 : 7,096.20 = 1,808.86 : x
2. Step 2: Convert to fraction form
   4,729.72/7,096.20 = 1,808.86/x
3. Step 3: Cross multiply
   4,729.72x = 7,096.20 × 1,808.86
4. Step 4: Simplify right side
   4,729.72x = 12,836,032.33
5. Step 5: Solve for x
   x = 12,836,032.33/4,729.72
6. Step 6: Final answer
   x = 2,713.91