Finding the Fourth Proportional to 2,829.89, 4,238.40 and 2,436.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,829.89 : 4,238.40 = 2,436.76 : x
2. Step 2: Convert to fraction form
   2,829.89/4,238.40 = 2,436.76/x
3. Step 3: Cross multiply
   2,829.89x = 4,238.40 × 2,436.76
4. Step 4: Simplify right side
   2,829.89x = 10,327,959.25
5. Step 5: Solve for x
   x = 10,327,959.25/2,829.89
6. Step 6: Final answer
   x = 3,649.60