Finding the Fourth Proportional to 9,016.26, 12,445.91 and 8,070.38

Step by Step Solution

1. Step 1: Write the proportion equation
   9,016.26 : 12,445.91 = 8,070.38 : x
2. Step 2: Convert to fraction form
   9,016.26/12,445.91 = 8,070.38/x
3. Step 3: Cross multiply
   9,016.26x = 12,445.91 × 8,070.38
4. Step 4: Simplify right side
   9,016.26x = 100,443,233.80
5. Step 5: Solve for x
   x = 100,443,233.80/9,016.26
6. Step 6: Final answer
   x = 11,140.23