Finding the Fourth Proportional to 8,820.55, 12,171.27 and 5,043.34

Step by Step Solution

1. Step 1: Write the proportion equation
   8,820.55 : 12,171.27 = 5,043.34 : x
2. Step 2: Convert to fraction form
   8,820.55/12,171.27 = 5,043.34/x
3. Step 3: Cross multiply
   8,820.55x = 12,171.27 × 5,043.34
4. Step 4: Simplify right side
   8,820.55x = 61,383,852.84
5. Step 5: Solve for x
   x = 61,383,852.84/8,820.55
6. Step 6: Final answer
   x = 6,959.19