Finding the Fourth Proportional to 10,047.33, 13,870.81 and 6,644.50

Step by Step Solution

1. Step 1: Write the proportion equation
   10,047.33 : 13,870.81 = 6,644.50 : x
2. Step 2: Convert to fraction form
   10,047.33/13,870.81 = 6,644.50/x
3. Step 3: Cross multiply
   10,047.33x = 13,870.81 × 6,644.50
4. Step 4: Simplify right side
   10,047.33x = 92,164,597.05
5. Step 5: Solve for x
   x = 92,164,597.05/10,047.33
6. Step 6: Final answer
   x = 9,173.04