Finding the Fourth Proportional to 14,185.50, 19,576.02 and 7,899.12

Step by Step Solution

1. Step 1: Write the proportion equation
   14,185.50 : 19,576.02 = 7,899.12 : x
2. Step 2: Convert to fraction form
   14,185.50/19,576.02 = 7,899.12/x
3. Step 3: Cross multiply
   14,185.50x = 19,576.02 × 7,899.12
4. Step 4: Simplify right side
   14,185.50x = 154,633,331.10
5. Step 5: Solve for x
   x = 154,633,331.10/14,185.50
6. Step 6: Final answer
   x = 10,900.80