Finding the Fourth Proportional to 10,427.08, 15,644.94 and 5,809

Step by Step Solution

1. Step 1: Write the proportion equation
   10,427.08 : 15,644.94 = 5,809 : x
2. Step 2: Convert to fraction form
   10,427.08/15,644.94 = 5,809/x
3. Step 3: Cross multiply
   10,427.08x = 15,644.94 × 5,809
4. Step 4: Simplify right side
   10,427.08x = 90,881,456.46
5. Step 5: Solve for x
   x = 90,881,456.46/10,427.08
6. Step 6: Final answer
   x = 8,715.91