Finding the Fourth Proportional to 2,746.89, 4,119.84 and 991.53

Step by Step Solution

1. Step 1: Write the proportion equation
   2,746.89 : 4,119.84 = 991.53 : x
2. Step 2: Convert to fraction form
   2,746.89/4,119.84 = 991.53/x
3. Step 3: Cross multiply
   2,746.89x = 4,119.84 × 991.53
4. Step 4: Simplify right side
   2,746.89x = 4,084,944.96
5. Step 5: Solve for x
   x = 4,084,944.96/2,746.89
6. Step 6: Final answer
   x = 1,487.12