Finding the Fourth Proportional to 67,383.86, 101,085.90 and 21,776.36

Step by Step Solution

1. Step 1: Write the proportion equation
   67,383.86 : 101,085.90 = 21,776.36 : x
2. Step 2: Convert to fraction form
   67,383.86/101,085.90 = 21,776.36/x
3. Step 3: Cross multiply
   67,383.86x = 101,085.90 × 21,776.36
4. Step 4: Simplify right side
   67,383.86x = 2,201,282,949.32
5. Step 5: Solve for x
   x = 2,201,282,949.32/67,383.86
6. Step 6: Final answer
   x = 32,667.81