Finding the Fourth Proportional to 13,844.62, 19,105.68 and 7,557.16

Step by Step Solution

1. Step 1: Write the proportion equation
   13,844.62 : 19,105.68 = 7,557.16 : x
2. Step 2: Convert to fraction form
   13,844.62/19,105.68 = 7,557.16/x
3. Step 3: Cross multiply
   13,844.62x = 19,105.68 × 7,557.16
4. Step 4: Simplify right side
   13,844.62x = 144,384,680.67
5. Step 5: Solve for x
   x = 144,384,680.67/13,844.62
6. Step 6: Final answer
   x = 10,428.94