Finding the Fourth Proportional to 1,054.02, 1,581.90 and 746.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,054.02 : 1,581.90 = 746.18 : x
2. Step 2: Convert to fraction form
   1,054.02/1,581.90 = 746.18/x
3. Step 3: Cross multiply
   1,054.02x = 1,581.90 × 746.18
4. Step 4: Simplify right side
   1,054.02x = 1,180,377.37
5. Step 5: Solve for x
   x = 1,180,377.37/1,054.02
6. Step 6: Final answer
   x = 1,119.88