Finding the Fourth Proportional to 2,047.37, 3,071.51 and 814.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,047.37 : 3,071.51 = 814.83 : x
2. Step 2: Convert to fraction form
   2,047.37/3,071.51 = 814.83/x
3. Step 3: Cross multiply
   2,047.37x = 3,071.51 × 814.83
4. Step 4: Simplify right side
   2,047.37x = 2,502,754.42
5. Step 5: Solve for x
   x = 2,502,754.42/2,047.37
6. Step 6: Final answer
   x = 1,222.43