Finding the Fourth Proportional to 10,746.49, 16,100.67 and 9,170.50

Step by Step Solution

1. Step 1: Write the proportion equation
   10,746.49 : 16,100.67 = 9,170.50 : x
2. Step 2: Convert to fraction form
   10,746.49/16,100.67 = 9,170.50/x
3. Step 3: Cross multiply
   10,746.49x = 16,100.67 × 9,170.50
4. Step 4: Simplify right side
   10,746.49x = 147,651,188.37
5. Step 5: Solve for x
   x = 147,651,188.37/10,746.49
6. Step 6: Final answer
   x = 13,739.48