Finding the Fourth Proportional to 8,064.50, 12,097.56 and 2,872.40

Step by Step Solution

1. Step 1: Write the proportion equation
   8,064.50 : 12,097.56 = 2,872.40 : x
2. Step 2: Convert to fraction form
   8,064.50/12,097.56 = 2,872.40/x
3. Step 3: Cross multiply
   8,064.50x = 12,097.56 × 2,872.40
4. Step 4: Simplify right side
   8,064.50x = 34,749,031.34
5. Step 5: Solve for x
   x = 34,749,031.34/8,064.50
6. Step 6: Final answer
   x = 4,308.89