Finding the Fourth Proportional to 1,432.89, 1,960.47 and 1,427.49

Step by Step Solution

1. Step 1: Write the proportion equation
   1,432.89 : 1,960.47 = 1,427.49 : x
2. Step 2: Convert to fraction form
   1,432.89/1,960.47 = 1,427.49/x
3. Step 3: Cross multiply
   1,432.89x = 1,960.47 × 1,427.49
4. Step 4: Simplify right side
   1,432.89x = 2,798,551.32
5. Step 5: Solve for x
   x = 2,798,551.32/1,432.89
6. Step 6: Final answer
   x = 1,953.08