Finding the Fourth Proportional to 13,141.69, 19,705.24 and 4,371.82

Step by Step Solution

1. Step 1: Write the proportion equation
   13,141.69 : 19,705.24 = 4,371.82 : x
2. Step 2: Convert to fraction form
   13,141.69/19,705.24 = 4,371.82/x
3. Step 3: Cross multiply
   13,141.69x = 19,705.24 × 4,371.82
4. Step 4: Simplify right side
   13,141.69x = 86,147,641.95
5. Step 5: Solve for x
   x = 86,147,641.95/13,141.69
6. Step 6: Final answer
   x = 6,555.30