Finding the Fourth Proportional to 14,123.88, 19,491.60 and 7,836.24

Step by Step Solution

1. Step 1: Write the proportion equation
   14,123.88 : 19,491.60 = 7,836.24 : x
2. Step 2: Convert to fraction form
   14,123.88/19,491.60 = 7,836.24/x
3. Step 3: Cross multiply
   14,123.88x = 19,491.60 × 7,836.24
4. Step 4: Simplify right side
   14,123.88x = 152,740,855.58
5. Step 5: Solve for x
   x = 152,740,855.58/14,123.88
6. Step 6: Final answer
   x = 10,814.37