Finding the Fourth Proportional to 10,900.18, 16,348.69 and 3,503.67

Step by Step Solution

1. Step 1: Write the proportion equation
   10,900.18 : 16,348.69 = 3,503.67 : x
2. Step 2: Convert to fraction form
   10,900.18/16,348.69 = 3,503.67/x
3. Step 3: Cross multiply
   10,900.18x = 16,348.69 × 3,503.67
4. Step 4: Simplify right side
   10,900.18x = 57,280,414.69
5. Step 5: Solve for x
   x = 57,280,414.69/10,900.18
6. Step 6: Final answer
   x = 5,255.00