Finding the Fourth Proportional to 1,671.98, 2,305.06 and 1,112.48

Step by Step Solution

1. Step 1: Write the proportion equation
   1,671.98 : 2,305.06 = 1,112.48 : x
2. Step 2: Convert to fraction form
   1,671.98/2,305.06 = 1,112.48/x
3. Step 3: Cross multiply
   1,671.98x = 2,305.06 × 1,112.48
4. Step 4: Simplify right side
   1,671.98x = 2,564,333.15
5. Step 5: Solve for x
   x = 2,564,333.15/1,671.98
6. Step 6: Final answer
   x = 1,533.71