Finding the Fourth Proportional to 10,903.52, 16,340.88 and 3,971.36

Step by Step Solution

1. Step 1: Write the proportion equation
   10,903.52 : 16,340.88 = 3,971.36 : x
2. Step 2: Convert to fraction form
   10,903.52/16,340.88 = 3,971.36/x
3. Step 3: Cross multiply
   10,903.52x = 16,340.88 × 3,971.36
4. Step 4: Simplify right side
   10,903.52x = 64,895,517.20
5. Step 5: Solve for x
   x = 64,895,517.20/10,903.52
6. Step 6: Final answer
   x = 5,951.80