Finding the Fourth Proportional to 2,047.86, 3,072.68 and 1,073.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,047.86 : 3,072.68 = 1,073.72 : x
2. Step 2: Convert to fraction form
   2,047.86/3,072.68 = 1,073.72/x
3. Step 3: Cross multiply
   2,047.86x = 3,072.68 × 1,073.72
4. Step 4: Simplify right side
   2,047.86x = 3,299,197.97
5. Step 5: Solve for x
   x = 3,299,197.97/2,047.86
6. Step 6: Final answer
   x = 1,611.05