Finding the Fourth Proportional to 10,900.67, 16,341.60 and 4,892.18

Step by Step Solution

1. Step 1: Write the proportion equation
   10,900.67 : 16,341.60 = 4,892.18 : x
2. Step 2: Convert to fraction form
   10,900.67/16,341.60 = 4,892.18/x
3. Step 3: Cross multiply
   10,900.67x = 16,341.60 × 4,892.18
4. Step 4: Simplify right side
   10,900.67x = 79,946,048.69
5. Step 5: Solve for x
   x = 79,946,048.69/10,900.67
6. Step 6: Final answer
   x = 7,334.05