Finding the Fourth Proportional to 14,174.82, 19,561.25 and 7,887.20

Step by Step Solution

1. Step 1: Write the proportion equation
   14,174.82 : 19,561.25 = 7,887.20 : x
2. Step 2: Convert to fraction form
   14,174.82/19,561.25 = 7,887.20/x
3. Step 3: Cross multiply
   14,174.82x = 19,561.25 × 7,887.20
4. Step 4: Simplify right side
   14,174.82x = 154,283,353.76
5. Step 5: Solve for x
   x = 154,283,353.76/14,174.82
6. Step 6: Final answer
   x = 10,884.33