Finding the Fourth Proportional to 69,309.42, 103,976.94 and 21,936.45

Step by Step Solution

1. Step 1: Write the proportion equation
   69,309.42 : 103,976.94 = 21,936.45 : x
2. Step 2: Convert to fraction form
   69,309.42/103,976.94 = 21,936.45/x
3. Step 3: Cross multiply
   69,309.42x = 103,976.94 × 21,936.45
4. Step 4: Simplify right side
   69,309.42x = 2,280,884,945.46
5. Step 5: Solve for x
   x = 2,280,884,945.46/69,309.42
6. Step 6: Final answer
   x = 32,908.73