Finding the Fourth Proportional to 2,447.06, 3,671.12 and 1,147.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,447.06 : 3,671.12 = 1,147.82 : x
2. Step 2: Convert to fraction form
   2,447.06/3,671.12 = 1,147.82/x
3. Step 3: Cross multiply
   2,447.06x = 3,671.12 × 1,147.82
4. Step 4: Simplify right side
   2,447.06x = 4,213,784.96
5. Step 5: Solve for x
   x = 4,213,784.96/2,447.06
6. Step 6: Final answer
   x = 1,721.98