Finding the Fourth Proportional to 69,309.03, 103,976.36 and 21,936.05

Step by Step Solution

1. Step 1: Write the proportion equation
   69,309.03 : 103,976.36 = 21,936.05 : x
2. Step 2: Convert to fraction form
   69,309.03/103,976.36 = 21,936.05/x
3. Step 3: Cross multiply
   69,309.03x = 103,976.36 × 21,936.05
4. Step 4: Simplify right side
   69,309.03x = 2,280,830,002.22
5. Step 5: Solve for x
   x = 2,280,830,002.22/69,309.03
6. Step 6: Final answer
   x = 32,908.12