Finding the Fourth Proportional to 71,616.27, 107,435.54 and 21,684.48

Step by Step Solution

1. Step 1: Write the proportion equation
   71,616.27 : 107,435.54 = 21,684.48 : x
2. Step 2: Convert to fraction form
   71,616.27/107,435.54 = 21,684.48/x
3. Step 3: Cross multiply
   71,616.27x = 107,435.54 × 21,684.48
4. Step 4: Simplify right side
   71,616.27x = 2,329,683,335.45
5. Step 5: Solve for x
   x = 2,329,683,335.45/71,616.27
6. Step 6: Final answer
   x = 32,530.09