Finding the Fourth Proportional to 11,020.34, 15,207.72 and 5,984.40

Step by Step Solution

1. Step 1: Write the proportion equation
   11,020.34 : 15,207.72 = 5,984.40 : x
2. Step 2: Convert to fraction form
   11,020.34/15,207.72 = 5,984.40/x
3. Step 3: Cross multiply
   11,020.34x = 15,207.72 × 5,984.40
4. Step 4: Simplify right side
   11,020.34x = 91,009,079.57
5. Step 5: Solve for x
   x = 91,009,079.57/11,020.34
6. Step 6: Final answer
   x = 8,258.28