Finding the Fourth Proportional to 2,877.03, 4,315.83 and 1,145.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,877.03 : 4,315.83 = 1,145.25 : x
2. Step 2: Convert to fraction form
   2,877.03/4,315.83 = 1,145.25/x
3. Step 3: Cross multiply
   2,877.03x = 4,315.83 × 1,145.25
4. Step 4: Simplify right side
   2,877.03x = 4,942,704.31
5. Step 5: Solve for x
   x = 4,942,704.31/2,877.03
6. Step 6: Final answer
   x = 1,717.99