Finding the Fourth Proportional to 10,499.18, 15,745.10 and 3,101.67

Step by Step Solution

1. Step 1: Write the proportion equation
   10,499.18 : 15,745.10 = 3,101.67 : x
2. Step 2: Convert to fraction form
   10,499.18/15,745.10 = 3,101.67/x
3. Step 3: Cross multiply
   10,499.18x = 15,745.10 × 3,101.67
4. Step 4: Simplify right side
   10,499.18x = 48,836,088.81
5. Step 5: Solve for x
   x = 48,836,088.81/10,499.18
6. Step 6: Final answer
   x = 4,651.42