Finding the Fourth Proportional to 12,105.47, 16,706.93 and 7,071.32

Step by Step Solution

1. Step 1: Write the proportion equation
   12,105.47 : 16,706.93 = 7,071.32 : x
2. Step 2: Convert to fraction form
   12,105.47/16,706.93 = 7,071.32/x
3. Step 3: Cross multiply
   12,105.47x = 16,706.93 × 7,071.32
4. Step 4: Simplify right side
   12,105.47x = 118,140,054.66
5. Step 5: Solve for x
   x = 118,140,054.66/12,105.47
6. Step 6: Final answer
   x = 9,759.23