Finding the Fourth Proportional to 20,914.84, 31,369.56 and 5,331.52

Step by Step Solution

1. Step 1: Write the proportion equation
   20,914.84 : 31,369.56 = 5,331.52 : x
2. Step 2: Convert to fraction form
   20,914.84/31,369.56 = 5,331.52/x
3. Step 3: Cross multiply
   20,914.84x = 31,369.56 × 5,331.52
4. Step 4: Simplify right side
   20,914.84x = 167,247,436.53
5. Step 5: Solve for x
   x = 167,247,436.53/20,914.84
6. Step 6: Final answer
   x = 7,996.59