Finding the Fourth Proportional to 13,103.10, 18,083.52 and 8,070.27

Step by Step Solution

1. Step 1: Write the proportion equation
   13,103.10 : 18,083.52 = 8,070.27 : x
2. Step 2: Convert to fraction form
   13,103.10/18,083.52 = 8,070.27/x
3. Step 3: Cross multiply
   13,103.10x = 18,083.52 × 8,070.27
4. Step 4: Simplify right side
   13,103.10x = 145,938,821.14
5. Step 5: Solve for x
   x = 145,938,821.14/13,103.10
6. Step 6: Final answer
   x = 11,137.73