Finding the Fourth Proportional to 2,046.61, 3,071.13 and 814.60

Step by Step Solution

1. Step 1: Write the proportion equation
   2,046.61 : 3,071.13 = 814.60 : x
2. Step 2: Convert to fraction form
   2,046.61/3,071.13 = 814.60/x
3. Step 3: Cross multiply
   2,046.61x = 3,071.13 × 814.60
4. Step 4: Simplify right side
   2,046.61x = 2,501,742.50
5. Step 5: Solve for x
   x = 2,501,742.50/2,046.61
6. Step 6: Final answer
   x = 1,222.38