Finding the Fourth Proportional to 2,647.32, 3,966.66 and 1,347

Step by Step Solution

1. Step 1: Write the proportion equation
   2,647.32 : 3,966.66 = 1,347 : x
2. Step 2: Convert to fraction form
   2,647.32/3,966.66 = 1,347/x
3. Step 3: Cross multiply
   2,647.32x = 3,966.66 × 1,347
4. Step 4: Simplify right side
   2,647.32x = 5,343,091.02
5. Step 5: Solve for x
   x = 5,343,091.02/2,647.32
6. Step 6: Final answer
   x = 2,018.30