Finding the Fourth Proportional to 14,123.50, 19,489.76 and 7,749.95

Step by Step Solution

1. Step 1: Write the proportion equation
   14,123.50 : 19,489.76 = 7,749.95 : x
2. Step 2: Convert to fraction form
   14,123.50/19,489.76 = 7,749.95/x
3. Step 3: Cross multiply
   14,123.50x = 19,489.76 × 7,749.95
4. Step 4: Simplify right side
   14,123.50x = 151,044,568.06
5. Step 5: Solve for x
   x = 151,044,568.06/14,123.50
6. Step 6: Final answer
   x = 10,694.56