Finding the Fourth Proportional to 14,173.65, 19,559.61 and 7,886.03

Step by Step Solution

1. Step 1: Write the proportion equation
   14,173.65 : 19,559.61 = 7,886.03 : x
2. Step 2: Convert to fraction form
   14,173.65/19,559.61 = 7,886.03/x
3. Step 3: Cross multiply
   14,173.65x = 19,559.61 × 7,886.03
4. Step 4: Simplify right side
   14,173.65x = 154,247,573.45
5. Step 5: Solve for x
   x = 154,247,573.45/14,173.65
6. Step 6: Final answer
   x = 10,882.70