Finding the Fourth Proportional to 13,904.30, 19,187.82 and 7,616.68

Step by Step Solution

1. Step 1: Write the proportion equation
   13,904.30 : 19,187.82 = 7,616.68 : x
2. Step 2: Convert to fraction form
   13,904.30/19,187.82 = 7,616.68/x
3. Step 3: Cross multiply
   13,904.30x = 19,187.82 × 7,616.68
4. Step 4: Simplify right side
   13,904.30x = 146,147,436.87
5. Step 5: Solve for x
   x = 146,147,436.87/13,904.30
6. Step 6: Final answer
   x = 10,510.95