Finding the Fourth Proportional to 12,753.50, 17,601.48 and 7,164.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,753.50 : 17,601.48 = 7,164.50 : x
2. Step 2: Convert to fraction form
   12,753.50/17,601.48 = 7,164.50/x
3. Step 3: Cross multiply
   12,753.50x = 17,601.48 × 7,164.50
4. Step 4: Simplify right side
   12,753.50x = 126,105,803.46
5. Step 5: Solve for x
   x = 126,105,803.46/12,753.50
6. Step 6: Final answer
   x = 9,887.94