Finding the Fourth Proportional to 10,076.85, 13,905.81 and 5,885.10

Step by Step Solution

1. Step 1: Write the proportion equation
   10,076.85 : 13,905.81 = 5,885.10 : x
2. Step 2: Convert to fraction form
   10,076.85/13,905.81 = 5,885.10/x
3. Step 3: Cross multiply
   10,076.85x = 13,905.81 × 5,885.10
4. Step 4: Simplify right side
   10,076.85x = 81,837,082.43
5. Step 5: Solve for x
   x = 81,837,082.43/10,076.85
6. Step 6: Final answer
   x = 8,121.30