Finding the Fourth Proportional to 2,788.83, 4,184.46 and 1,145.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,788.83 : 4,184.46 = 1,145.76 : x
2. Step 2: Convert to fraction form
   2,788.83/4,184.46 = 1,145.76/x
3. Step 3: Cross multiply
   2,788.83x = 4,184.46 × 1,145.76
4. Step 4: Simplify right side
   2,788.83x = 4,794,386.89
5. Step 5: Solve for x
   x = 4,794,386.89/2,788.83
6. Step 6: Final answer
   x = 1,719.14