Finding the Fourth Proportional to 8,070.72, 11,144.88 and 5,091.84

Step by Step Solution

1. Step 1: Write the proportion equation
   8,070.72 : 11,144.88 = 5,091.84 : x
2. Step 2: Convert to fraction form
   8,070.72/11,144.88 = 5,091.84/x
3. Step 3: Cross multiply
   8,070.72x = 11,144.88 × 5,091.84
4. Step 4: Simplify right side
   8,070.72x = 56,747,945.78
5. Step 5: Solve for x
   x = 56,747,945.78/8,070.72
6. Step 6: Final answer
   x = 7,031.34