Finding the Fourth Proportional to 2,876.37, 4,315.55 and 1,317.03

Step by Step Solution

1. Step 1: Write the proportion equation
   2,876.37 : 4,315.55 = 1,317.03 : x
2. Step 2: Convert to fraction form
   2,876.37/4,315.55 = 1,317.03/x
3. Step 3: Cross multiply
   2,876.37x = 4,315.55 × 1,317.03
4. Step 4: Simplify right side
   2,876.37x = 5,683,702.23
5. Step 5: Solve for x
   x = 5,683,702.23/2,876.37
6. Step 6: Final answer
   x = 1,976.00