Finding the Fourth Proportional to 1,731.96, 2,391.72 and 1,112.04

Step by Step Solution

1. Step 1: Write the proportion equation
   1,731.96 : 2,391.72 = 1,112.04 : x
2. Step 2: Convert to fraction form
   1,731.96/2,391.72 = 1,112.04/x
3. Step 3: Cross multiply
   1,731.96x = 2,391.72 × 1,112.04
4. Step 4: Simplify right side
   1,731.96x = 2,659,688.31
5. Step 5: Solve for x
   x = 2,659,688.31/1,731.96
6. Step 6: Final answer
   x = 1,535.65