Finding the Fourth Proportional to 2,147.71, 2,962.56 and 1,360.39

Step by Step Solution

1. Step 1: Write the proportion equation
   2,147.71 : 2,962.56 = 1,360.39 : x
2. Step 2: Convert to fraction form
   2,147.71/2,962.56 = 1,360.39/x
3. Step 3: Cross multiply
   2,147.71x = 2,962.56 × 1,360.39
4. Step 4: Simplify right side
   2,147.71x = 4,030,234.69
5. Step 5: Solve for x
   x = 4,030,234.69/2,147.71
6. Step 6: Final answer
   x = 1,876.53