Finding the Fourth Proportional to 3,810.51, 5,717.72 and 2,885.76

Step by Step Solution

1. Step 1: Write the proportion equation
   3,810.51 : 5,717.72 = 2,885.76 : x
2. Step 2: Convert to fraction form
   3,810.51/5,717.72 = 2,885.76/x
3. Step 3: Cross multiply
   3,810.51x = 5,717.72 × 2,885.76
4. Step 4: Simplify right side
   3,810.51x = 16,499,974.88
5. Step 5: Solve for x
   x = 16,499,974.88/3,810.51
6. Step 6: Final answer
   x = 4,330.12