Finding the Fourth Proportional to 11,867.31, 17,806.16 and 5,627.34

Step by Step Solution

1. Step 1: Write the proportion equation
   11,867.31 : 17,806.16 = 5,627.34 : x
2. Step 2: Convert to fraction form
   11,867.31/17,806.16 = 5,627.34/x
3. Step 3: Cross multiply
   11,867.31x = 17,806.16 × 5,627.34
4. Step 4: Simplify right side
   11,867.31x = 100,201,330.48
5. Step 5: Solve for x
   x = 100,201,330.48/11,867.31
6. Step 6: Final answer
   x = 8,443.47