Finding the Fourth Proportional to 2,047.41, 3,070.95 and 814.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,047.41 : 3,070.95 = 814.50 : x
2. Step 2: Convert to fraction form
   2,047.41/3,070.95 = 814.50/x
3. Step 3: Cross multiply
   2,047.41x = 3,070.95 × 814.50
4. Step 4: Simplify right side
   2,047.41x = 2,501,288.78
5. Step 5: Solve for x
   x = 2,501,288.78/2,047.41
6. Step 6: Final answer
   x = 1,221.68