Finding the Fourth Proportional to 2,108.88, 2,911.41 and 1,887.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,108.88 : 2,911.41 = 1,887.30 : x
2. Step 2: Convert to fraction form
   2,108.88/2,911.41 = 1,887.30/x
3. Step 3: Cross multiply
   2,108.88x = 2,911.41 × 1,887.30
4. Step 4: Simplify right side
   2,108.88x = 5,494,704.09
5. Step 5: Solve for x
   x = 5,494,704.09/2,108.88
6. Step 6: Final answer
   x = 2,605.51