Finding the Fourth Proportional to 10,735.76, 16,102.56 and 4,890.80

Step by Step Solution

1. Step 1: Write the proportion equation
   10,735.76 : 16,102.56 = 4,890.80 : x
2. Step 2: Convert to fraction form
   10,735.76/16,102.56 = 4,890.80/x
3. Step 3: Cross multiply
   10,735.76x = 16,102.56 × 4,890.80
4. Step 4: Simplify right side
   10,735.76x = 78,754,400.45
5. Step 5: Solve for x
   x = 78,754,400.45/10,735.76
6. Step 6: Final answer
   x = 7,335.71