Finding the Fourth Proportional to 2,034.10, 2,806.14 and 1,247.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,034.10 : 2,806.14 = 1,247.86 : x
2. Step 2: Convert to fraction form
   2,034.10/2,806.14 = 1,247.86/x
3. Step 3: Cross multiply
   2,034.10x = 2,806.14 × 1,247.86
4. Step 4: Simplify right side
   2,034.10x = 3,501,669.86
5. Step 5: Solve for x
   x = 3,501,669.86/2,034.10
6. Step 6: Final answer
   x = 1,721.48