Finding the Fourth Proportional to 11,336.04, 17,019.90 and 8,070.12

Step by Step Solution

1. Step 1: Write the proportion equation
   11,336.04 : 17,019.90 = 8,070.12 : x
2. Step 2: Convert to fraction form
   11,336.04/17,019.90 = 8,070.12/x
3. Step 3: Cross multiply
   11,336.04x = 17,019.90 × 8,070.12
4. Step 4: Simplify right side
   11,336.04x = 137,352,635.39
5. Step 5: Solve for x
   x = 137,352,635.39/11,336.04
6. Step 6: Final answer
   x = 12,116.46