Finding the Fourth Proportional to 13,845.33, 19,105.67 and 7,557.71

Step by Step Solution

1. Step 1: Write the proportion equation
   13,845.33 : 19,105.67 = 7,557.71 : x
2. Step 2: Convert to fraction form
   13,845.33/19,105.67 = 7,557.71/x
3. Step 3: Cross multiply
   13,845.33x = 19,105.67 × 7,557.71
4. Step 4: Simplify right side
   13,845.33x = 144,395,036.58
5. Step 5: Solve for x
   x = 144,395,036.58/13,845.33
6. Step 6: Final answer
   x = 10,429.15