Finding the Fourth Proportional to 69,105.27, 103,696.17 and 64,086.10

Step by Step Solution

1. Step 1: Write the proportion equation
   69,105.27 : 103,696.17 = 64,086.10 : x
2. Step 2: Convert to fraction form
   69,105.27/103,696.17 = 64,086.10/x
3. Step 3: Cross multiply
   69,105.27x = 103,696.17 × 64,086.10
4. Step 4: Simplify right side
   69,105.27x = 6,645,483,120.24
5. Step 5: Solve for x
   x = 6,645,483,120.24/69,105.27
6. Step 6: Final answer
   x = 96,164.64