Finding the Fourth Proportional to 13,073.41, 19,599.15 and 9,113.05

Step by Step Solution

1. Step 1: Write the proportion equation
   13,073.41 : 19,599.15 = 9,113.05 : x
2. Step 2: Convert to fraction form
   13,073.41/19,599.15 = 9,113.05/x
3. Step 3: Cross multiply
   13,073.41x = 19,599.15 × 9,113.05
4. Step 4: Simplify right side
   13,073.41x = 178,608,033.91
5. Step 5: Solve for x
   x = 178,608,033.91/13,073.41
6. Step 6: Final answer
   x = 13,661.93