Finding the Fourth Proportional to 2,789.88, 4,185.06 and 1,146.81

Step by Step Solution

1. Step 1: Write the proportion equation
   2,789.88 : 4,185.06 = 1,146.81 : x
2. Step 2: Convert to fraction form
   2,789.88/4,185.06 = 1,146.81/x
3. Step 3: Cross multiply
   2,789.88x = 4,185.06 × 1,146.81
4. Step 4: Simplify right side
   2,789.88x = 4,799,468.66
5. Step 5: Solve for x
   x = 4,799,468.66/2,789.88
6. Step 6: Final answer
   x = 1,720.31