Finding the Fourth Proportional to 2,128.46, 3,190.52 and 1,348.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,128.46 : 3,190.52 = 1,348.22 : x
2. Step 2: Convert to fraction form
   2,128.46/3,190.52 = 1,348.22/x
3. Step 3: Cross multiply
   2,128.46x = 3,190.52 × 1,348.22
4. Step 4: Simplify right side
   2,128.46x = 4,301,510.29
5. Step 5: Solve for x
   x = 4,301,510.29/2,128.46
6. Step 6: Final answer
   x = 2,020.95