Finding the Fourth Proportional to 1,486.89, 2,229.61 and 746.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,486.89 : 2,229.61 = 746.18 : x
2. Step 2: Convert to fraction form
   1,486.89/2,229.61 = 746.18/x
3. Step 3: Cross multiply
   1,486.89x = 2,229.61 × 746.18
4. Step 4: Simplify right side
   1,486.89x = 1,663,690.39
5. Step 5: Solve for x
   x = 1,663,690.39/1,486.89
6. Step 6: Final answer
   x = 1,118.91