Finding the Fourth Proportional to 13,078.41, 18,048.56 and 7,110.48

Step by Step Solution

1. Step 1: Write the proportion equation
   13,078.41 : 18,048.56 = 7,110.48 : x
2. Step 2: Convert to fraction form
   13,078.41/18,048.56 = 7,110.48/x
3. Step 3: Cross multiply
   13,078.41x = 18,048.56 × 7,110.48
4. Step 4: Simplify right side
   13,078.41x = 128,333,924.91
5. Step 5: Solve for x
   x = 128,333,924.91/13,078.41
6. Step 6: Final answer
   x = 9,812.65