Finding the Fourth Proportional to 13,148.46, 19,730.25 and 5,357.34

Step by Step Solution

1. Step 1: Write the proportion equation
   13,148.46 : 19,730.25 = 5,357.34 : x
2. Step 2: Convert to fraction form
   13,148.46/19,730.25 = 5,357.34/x
3. Step 3: Cross multiply
   13,148.46x = 19,730.25 × 5,357.34
4. Step 4: Simplify right side
   13,148.46x = 105,701,657.54
5. Step 5: Solve for x
   x = 105,701,657.54/13,148.46
6. Step 6: Final answer
   x = 8,039.09