Finding the Fourth Proportional to 1,431.52, 1,960.69 and 1,347.46

Step by Step Solution

1. Step 1: Write the proportion equation
   1,431.52 : 1,960.69 = 1,347.46 : x
2. Step 2: Convert to fraction form
   1,431.52/1,960.69 = 1,347.46/x
3. Step 3: Cross multiply
   1,431.52x = 1,960.69 × 1,347.46
4. Step 4: Simplify right side
   1,431.52x = 2,641,938.18
5. Step 5: Solve for x
   x = 2,641,938.18/1,431.52
6. Step 6: Final answer
   x = 1,845.55