Finding the Fourth Proportional to 2,876.31, 3,967.37 and 1,755.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,876.31 : 3,967.37 = 1,755.82 : x
2. Step 2: Convert to fraction form
   2,876.31/3,967.37 = 1,755.82/x
3. Step 3: Cross multiply
   2,876.31x = 3,967.37 × 1,755.82
4. Step 4: Simplify right side
   2,876.31x = 6,965,968.90
5. Step 5: Solve for x
   x = 6,965,968.90/2,876.31
6. Step 6: Final answer
   x = 2,421.84