Finding the Fourth Proportional to 1,426.95, 2,128.70 and 1,327.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,426.95 : 2,128.70 = 1,327.52 : x
2. Step 2: Convert to fraction form
   1,426.95/2,128.70 = 1,327.52/x
3. Step 3: Cross multiply
   1,426.95x = 2,128.70 × 1,327.52
4. Step 4: Simplify right side
   1,426.95x = 2,825,900.46
5. Step 5: Solve for x
   x = 2,825,900.46/1,426.95
6. Step 6: Final answer
   x = 1,980.38