Finding the Fourth Proportional to 1,112.37, 1,667.34 and 746.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,112.37 : 1,667.34 = 746.25 : x
2. Step 2: Convert to fraction form
   1,112.37/1,667.34 = 746.25/x
3. Step 3: Cross multiply
   1,112.37x = 1,667.34 × 746.25
4. Step 4: Simplify right side
   1,112.37x = 1,244,252.48
5. Step 5: Solve for x
   x = 1,244,252.48/1,112.37
6. Step 6: Final answer
   x = 1,118.56