Finding the Fourth Proportional to 2,073.72, 3,111.06 and 1,047.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,073.72 : 3,111.06 = 1,047.48 : x
2. Step 2: Convert to fraction form
   2,073.72/3,111.06 = 1,047.48/x
3. Step 3: Cross multiply
   2,073.72x = 3,111.06 × 1,047.48
4. Step 4: Simplify right side
   2,073.72x = 3,258,773.13
5. Step 5: Solve for x
   x = 3,258,773.13/2,073.72
6. Step 6: Final answer
   x = 1,571.46