Finding the Fourth Proportional to 2,047.55, 3,071.93 and 814.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,047.55 : 3,071.93 = 814.25 : x
2. Step 2: Convert to fraction form
   2,047.55/3,071.93 = 814.25/x
3. Step 3: Cross multiply
   2,047.55x = 3,071.93 × 814.25
4. Step 4: Simplify right side
   2,047.55x = 2,501,322.61
5. Step 5: Solve for x
   x = 2,501,322.61/2,047.55
6. Step 6: Final answer
   x = 1,221.62