Finding the Fourth Proportional to 10,902.02, 16,338.62 and 3,969.86

Step by Step Solution

1. Step 1: Write the proportion equation
   10,902.02 : 16,338.62 = 3,969.86 : x
2. Step 2: Convert to fraction form
   10,902.02/16,338.62 = 3,969.86/x
3. Step 3: Cross multiply
   10,902.02x = 16,338.62 × 3,969.86
4. Step 4: Simplify right side
   10,902.02x = 64,862,033.99
5. Step 5: Solve for x
   x = 64,862,033.99/10,902.02
6. Step 6: Final answer
   x = 5,949.54